Statistics question and answers for January 04, 2024
- Q 1 In a Gallup poll of 1000 adults were asked if they consume alcohol beverages and 60 of them said that they did Construct a 95 confidence interval of the...
- Q You wish to test the following claim Ha at a significance level of a 0 001 d denotes the mean of the difference between pre test and post test scores...
- Q Ha Hdiff before after 0 c Put the list of differences in your calculator and use T Test to find the p value p please round to four decimal places...
- Q 5 Assume each outcome is equally likely in the sample space S provided below Find P AB S 1 2 3 4 5 6 7 8 A 2 4 5...
- Q Question 7 of 7 7 Suppose P A 25 P B 0 30 and P AB 0 15 Find P AUB Answer
- Q Question 5 3 Assuming each outcome is equally likely in the sample space find P AUB FOB Answer
- Q A company estimates that 0 8 of their products will fail after the original warranty period but within 2 years of the purchase with a replacement cost of 100 If...
- Q Find the standard deviation for the random variable X 1 1 7 10 14 P X x 0 16 0 17 0 24 0 17 0 26 X O 4...
- Q Find the expected value for the random variable X 3 1 3 9 12 P X x 0 22 0 14 0 23 0 2 0 21 X O 3...
- Q Suppose you decided to play a gambling game order to play the game there is a 1 50 dollar fee to play If you roll a 1 2 or 3...
- Q A sample of size n 10 is drawn from a population The data is shown below 102 6 98 3 102 6 86 4 87 6 102 6 82 2...
- Q For families with 5 children let X be the number of children with Genetic Condition B Can the following table be a probability distribution for the random variable X x...
- Q Can the following table be a probability distribution X P x 1 0 2077 2 0 0943 3 0 3281 4 0 1105 5 0 3232 O yes O no
- Q Complete the following probability distribution table X 27 12 49 67 86 P X 0 24 0 14 0 26 0 2
- Q Suppose that the random variable z shown below represents the number of speeding tickets a person received in a three year period P z represents the probability of a randomly...
- Q Translate the following verbal statement into an algebraic equation and then solve Use for your variable The difference of four times a number and seven is ten Equation x
- Q Write 3 078 102 in standard notation
- Q Type the standard notation value for 2 593E 4 Recall the E represents 10 in scientific notation For example 3 2 E 5 is the same as 3 2 105...
- Q Translate the following verbal statement into an algebraic equation and then solve Use for your variable The sum of three times a number and six is nine Equation x
- Q x 6 10 9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 Clear All Draw
- Q Rachelle is malling out pool party Invites to celebrate the start of summer She has orange O yellow Y and pink P cards and orange O yellow Y and pink...
- Q 11 18 19 26 27 34 35 42 43 50 1 4 5 4 2 Answer The frequency distribution above summarizes a simple random sample from a population Using the...
- Q Let R be the region bounded by the following curves Use the shell method to find the volume of the solid generated when R is revolved about the x axis...
- Q Age 11 18 19 26 27 34 35 42 Frequency 2 4 6 4 The frequency distribution above summarizes a simple random sample from a population Using the frequency distribution...
- Q Weight IBS 101 120 121 140 141 160 161 180 4 5 5 7 The frequency distribution above summarizes a small population The population variance is approximated to be 500...
- Q Weight lbs 101 120 121 140 141 160 161 180 Frequency 3 5 Answer 8 5 The frequency distribution above summarizes a small population Using the frequency distribution approximate the...
- Q Height inches 48 49 99 50 51 99 52 53 99 54 55 99 56 57 99 58 59 99 Frequency 3 8 6 3 2 1 The frequency distribution...
- Q Unit 1 Please answer all parts of the question Please provide graphical and numerical justification Hint normal distribution curve IQ scores are normally distributed with a mean of 100 and...
- Q You want to obtain a sample to estimate a population proportion Based on previous evidence you believe the population proportion is approximately p 0 29 You would like to be...
- Q You must answer in words and show you work mathematically I Unit 3 Please answer all parts of the question Math 3 7 1 Key Features of Radical Functions Consider...
- Q 2 Please explain in words how to solve by completing the square Please identify the error Completing The Square Method and Solving Quadratic Equations Algebra 2 x 6x 15 x...
- Q Unit 2 Please answer all parts of the question 1 Heather dropped a water balloon over the side of her school building from a height of 80 feet The approximate...
- Q Coffee and blood pressure A scientist suspects that coffee increases blood pressure So he measures the systolic blood pressure of six random patients and then measures it again 30 minutes...
- Q Research has shown that losing even one night of sleep can have a significant effect on performance of complex tasks such as problem solving Linde Bergstroem 1992 To demonstrate this...
- Q 4 Find the mean of the data set 6 11 7 15 6 10 4 Round your answer to the nearest hundredths Answer
- Q Ta Nehisi takes a sample of 12 different gender married couples In his sample he found that the husband was 125 69 millimeters taller on average and differences in the...
- Q Diet and Blood Sugar A doctor wants to evaluate a new diet for diabetic patients He measures the blood sugar levels measured 2 3 hours after a meal of 7...
- Q Paired or not In each of the following scenarios determine if the data are paired a Compare the state test math scores of ten random students with their state test...
- Q Running Shoes A shoe designer tests a new material for the soles of their most popular line of running shoes She has 4 athletes run 100 miles with one of...
- Q For each scenario listed on the left determine whether the scenario represents an Indepenent Samples or Matched pairs situation by placing the appropriate letter in the box provided Comparing pain...
- Q The reading speed of second grade students in a large city is approximately normal with a mean of 92 words per minute wpm and a standard deviation of 10 wpm...
- Q dy dt y 6t y 0 5 In this question we will use a spreadsheet to approximate the value y 1 The picture below shows a spreadsheet being used to...
- Q Complete parts a through d for the sampling distribution of the sample mean shown in the accompanying Click the icon to view the graph a What is the value of...
- Q The table contains price demand and total cost data for the production of extreme cold sleeping bags where p is the wholesale price in dollars of a sleeping bag for...
- Q point s possible According to a study conducted by a statistical organization the proportion of people who are satisfied with the way things are going in their lives is 0...
- Q The reading speed of second grade students in a large city is approximately normal with a mean of 92 words per minute wpm and a standard deviation of 10 wpm...
- Q Question Draw Graph Reset O Watch Video The function f x log x 3 4 is graphed below Plot all lattice points of the inverse Use the labeled points as...
- Q Question What are the features of the function f x 3 1 graphed below Answer Attempt 1 out of 2 The function f x is and it is Submit Answer...
- Q Graph the function f x 2 log x 4 on the axes below You must plot the asymptote and any two points with integer coordinates Asymptote 12 11 10 9...
- Q Question Watch Video Express the given expression without logs in simplest form Assume all variables represent positive values glog 3x
- Q Question Express the given expression without logs in simplest form Assume all variables represent positive values 410g 82 Answer Attempt out of Watch Video log 82 log 4w
- Q The Venn diagram here shows the cardinality of each set Use this to find the probability of observing the given set A 13 C 11 B
- Q Graph the function f x 4 5 6 on the axes below You must plot the asymptote and any two points with integer coordinates Asymptote 12 11 10 9 8...
- Q missing cumulative value identified by asterisk Bin Frequenc Cumulative y 1 5 6 6 2 12 8 41 6 70 4 99 2 More A 60 00 B 5 00...
- Q Use the Grubbs test to determine if one of these values is an outlier What is the value of Gale Degrees of Freedom 50 1 2 3 4 5 6...
- Q Distinguishing accuracy and precision Four research teams measured the half life of a radioactive isotope and what each team wrote in its team notebook is shown in the table below...
- Q Consider the set of replicate measurements 51 5 g 52 0 g 50 7 g 52 6 g 51 1 g 51 7 g For this data set calculate the...
- Q It has been reported in a national newspaper that 78 of American households own a washing machine A random sample of 143 San Diego households revealed that 100 owned a...
- Q bly gloves to stress Affung 265 vinyl gloves 65 leaked viruses Among 283 latex gloves 8 leaked viruses Using the accompanying display of the technology results and using a 0...
- Q Exponential Functions 1 A baker records the internal temperature of a pie that has been left to cool on a counter The room temperature is 14 C An equation that...
- Q 1 point Given the least squares regression line y 2 48 1 63x and a coefficient of determination of 0 81 the coefficient of correlation is A 0 90 B...
- Q 1 2 2 5 b the line B At least one of the answers above is NOT correct For the equation y 2 5 3 a the y intercept is...
- Q Give graphic representations of a Empirical rule for 20 30 b Standard normal distribution c P a x b d Normal distribution with different standard deviations but same n e...
- Q A strain of bacteria is placed into a petri dish at 30 C and allowed to grow The following data are collected Theory states that the number of bacteria in...
- Q 10 16 A random sample of 250 observations is taken from population A which has 30 of its population living in poverty A 3 A second random sample of size...
- Q H R R Refer to Exercise 10 40 Suppose the recruitment director is preparing a presentation for upper management to recommend new hiring practices of the firm a Provide a...
- Q ov 10 43 Refer to Exercise 10 42 Suppose that the initial analysis of the age discrimination had included only two levels of age as contained in the following table...
- Q 1 10 20 Biofeedback is a treatment technique in which people are trained to improve their health by using signals from their own bodies Specialists in many different fields use...
- Q R 10 40 The recruitment director for a large engineering firm categorizes universities based on their rankings by U S News as most desirable desirable adequate or undesirable for purposes...
- Q Phi Delta Kappa PDK is an international professional organization for educators that in collaboration with Gallup has been conducting polls on the public s attitudes toward the public schools since...
- Q 19 In recent study 76 of U S consumers age 18 and older said they spicy food when eating out A local restaurant owner believes that this proportion is higher...
- Q A CCBC professor claims that there is a difference between the mean class statistics day students on the Final Exam and statistics evening students on the Final Exam The professor...
- Q Extracurricular activities are very school students have an average of 6 extracurricular activities A school administrator would like to find if the students at her school meet the average in...
- Q 15 A If a they like the new ice cream while only 34 of 140 adults reported liking it Use the output below to ensumers A survey found that 56...
- Q The model below could be used in step 3 does the position B represent O sample mean Op value standard error T population mean 1 B
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