Statistics question and answers for October 25, 2023
- Q Use the probability distribution to complete parts a through d below The probability distribution of number of televisions per household in a small town X 0 1 3 P x...
- Q ng the data given below determine whether it would unusual for a household to have no HD televisions The number of televisions HD per household in a small town Televisions...
- Q Which of the following is an example of qualitative data The contents of the stomach are mixed every 20 seconds The plant s height is 25 centimeters cm O The...
- Q The temperature at which an alligator s egg is incubated will determine the sex of the offspring The dependent and the independent variables in this experiment are temperature and sex...
- Q Here is data with y as the response variable X 55 1 50 6 83 9 57 6 95 2 51 2 1 81 54 2 69 7 y 65...
- Q Now fill in the missing probabilities Start F Check Clear Help del Laivo unl E E Now we can use the tree above answer the original question If Hugo or...
- Q ble below to find the standard deviation of the following data set est three decimal places of accuracy at each step 10 23 27 28 42 48 X 10 23...
- Q The table below show data that has been collected from different fields from various farms in a certain valley The table contains the grams of Raspberries tested and the amount...
- Q The following bivariate data set contains an outlier X y 44 2 4908 1 73 9 2459 7 59 3 4039 8 50 7 572 4 31 8 2301 9...
- Q Previous Baseball regression line prediction Suppose the regression line for the number of runs scored in a season y is given by 780 6200x where x is the team s...
- Q The following table shows retail sales in drug stores in billions of dollars in the U S for years since 1995 Year Retail Sales 0 3 6 9 12 15...
- Q In the following data a is the average number of hours the student spent working on math each week and y is the final grade in a math class hours...
- Q Let represent the profit or loss for a certain company years after 1980 Based on the data shown below a statistician calculates a linear model y 2 49x 51 37...
- Q An experiment is run The mass of an object is recorded over time Time min 14 17 19 24 30 Plot the points in the grid below 50 45 40...
- Q A B AB O Total Rh Negative 45 73 22 49 189 Rh Positive 81 56 8 28 173 Total 126 129 30 77 362 Find the probability of choosing...
- Q Create Scatterplots for each of the tables of data below using your graphing calculator Determine which of the graphs most closely matches each table Then decide which table is Least...
- Q 9 Number of miles 20 9 18 12 10 17 14 13 14 14 15 11 Send data to calculator 17 3 a Complete the grouped frequency distribution for b...
- Q Anty 2300 dollars for Starbucks Over the course of one year she found that Apple went down 3 percent Google went up 4 percent and Starbucks went up 2 percent...
- Q 107 98 116 Temperatures in F 118 106 111 102 105 112 101 99 105 114 110 109 113 115 95 Send data to calculator a Complete the grouped frequency...
- Q A BCC professor decides to grade his class as following 20 percent for homework assignments 15 percent for quizzes 30 percent for a midterm and 35 percent for the final...
- Q mm mm Round to two decimal places as needed Points 0 of 3 Archeologists have studied sizes of Egyptian skulls in an attempt to determine whether breeding occurred between different...
- Q Part 1 of 3 Assume that the amounts of weight that male college students gain during their freshman year are normally distributed with a mean of 1 1 kg and...
- Q Points 0 of 3 A genetic experiment with peas resulted in one sample of offspring that consisted of 429 green peas and 152 yellow peas a Construct a 90 confidence...
- Q Part 1 of 4 In a science fair project Emily conducted an experiment in which she tested professional touch therapists to see if they could sense her energy field She...
- Q When playing roulette at a casino a gambler is trying to decide whether to bet 5 on the number 13 or to bet 5 that the outcome is any one...
- Q CQ1 Construct a two way table with 100 women and 80 men in which both groups show equal percentages of right handedness
- Q 5 51 Independent Suppose a person is chosen at random Use your understanding about the world of basketball to decide whether the event that the person is taller than six...
- Q 5 17 Birthdays What is the probability that a baby will be born on a Friday OR a Saturday OR a Sunday if all the days of the week are...
- Q 5 48 College Poll A person is selected randomly from the entire group whose responses are summarized in the table for Exercise 5 47 We want to find the probability...
- Q 5 8 Random Assignment of Professors A study randomly assigned students attending the Air Force Academy to different pro fessors for Calculus I with equal numbers of students assigned to...
- Q 5 14 Guessing on Tests Consider a multiple choice test with a total of four possible options for each question a What is the probability of guessing correctly on one...
- Q 5 7 Criminal Court Judges Criminal cases are assigned to judges andomly The list of the criminal judges for Memphis Tennessee taken from the Tennessee Court System website www tsc...
- Q 5 10 Which of the following numbers could not be probabilities and why a 125 b 0 74 c 0 001 d 5 61 e 150 TRY 5 11 Playing...
- Q 5 16 Three Coins The sample shows the possible sequences for flipping three fair coins or flipping one coin three times where H stands for heads and T stands for...
- Q a On a true false quiz in which you are guessing what is the probability of guessing correctly on one question b What is the probability that a guess on...
- Q 5 1 Simulation Example 1 If we flip a coin 10 times how often do we get 6 or more heads A first step to answering this question would be...
- Q 5 11 Playing Cards Example 2 There are four suits clubs diamonds hearts and spades and the following cards appear in each suit ace 2 3 4 5 6 7...
- Q 80 78 75 81 76 89 74 Test scores 82 85 Send data to calculator Test scores 71 5 to 75 5 75 5 to 79 5 79 5 to...
- Q 5 9 Which of the following numbers could not be probabilitie and why a 5 63 b 0 063 c 0 063 d 163 e 1 63
- Q Over the years a sushi restaurant has had a mean customer satisfaction rating of 72 5 with a variance of 25 4 The owner wants to see if using a...
- Q machine is properly calibrated its welds have a mean length of 22 00 mm with a standard deviation of 0 16 mm It has been a while since the machine...
- Q A new sleeping pill is advertised to increase the daily sleeping time of insomniacs by an average of 2 9 hours with a standard deviation of 0 50 A government...
- Q According to past research plesterol levels of adult males are approximately normally distributed with a mean of 224 and a standard deviation of 21 7 Some researchers specializing in health...
- Q Tire lifetimes The lifetime of a certain type of automobile tire in thousands of miles is normally distributed with mean 40 and standard deviation o 6 Use the TI 84...
- Q cire lifetimes is lifetimes is tee thousand miles thousand miles thousand miles X X X 5
- Q A normal population has mean 39 and standard deviation o 10 a What proportion of the population is between 17 and 28 b What is the probability that a randomly...
- Q Baby weights The weight of male babies less than 2 months old in the United States is normally distributed with mean 12 2 pounds and standard deviation 4 5 pounds...
- Q A normal population has mean 10 and standard deviation o 7 a What proportion of the population is less than 18 b What is the probability that a randomly chosen...
- Q A normal population has mean 51 and standard deviation o 7 What is the 85th percentile of the population Use the TI 84 Plus calculator Round the answer to at...
- Q Part If two institutions have budgets that differ by 24 million dollars in 2006 by how much would you predict their budgets to differ in 2018 Round the answer to...
- Q If the price of eggs differ by 0 35 from one month to the next by how much would you expect the price of milk to differ Round the answer...
- Q and data to Excel Part 1 of 3 Compute the least squares regression line for predicting the 2018 budget y from the 2006 budget x Round the slope and y...
- Q Based on results published in the Journal of Human Hypertension Send data to Excel Part 1 of 4 Compute the least squares regression line for predicting the diastolic pressure y...
- Q has been serviced Because of this the foreman has told you to perform a hypothesis test to determine if the standard deviation G of the weld lengths is greater than...
- Q funding The following table presents the budget in millions of dollars for selected organizations that received U S government funding for arts and culture in both 2006 and 2018 Organization...
- Q b Compute the correlation coefficient between systolic and diastolic blood pressure Round the answer to at least three decimal places The correlation coefficient is r 0 8605 Part 2 3...
- Q 174 000 This process includes only the cost of processing the claim payments not the actual amount of the claim payments The adjusting activity involves verifying and estimating the amount...
- Q Great Pumpkins When growing giant pumpkins for competitions growers need to keep track of the weights of the pumpkins while they are growing It is difficult to weigh a large...
- Q Age discrimination The following table presents the numbers of employees by age group who were promoted or not promoted in a sample drawn from a certain industry during the past...
- Q insomniacs by an average of 2 7 hours with a variance of 0 30 A governr group conducts an independent study on the new pill to see if the varianc...
- Q A Pr A is closest to 03 14 07 15 03 5 07 17 011 16 011 14 07 12 07 19 Pr B is closest to 08 12 03...
- Q new menu will have any effect on the variance The owner surveys a random sample of 19 customers who ordered from the new menu For the customers surveyed the variance...
- Q Consider the scotterplot 1400 COOL 600 test net vol vs effectiveness 15 10 5 0 5 effectiveness 10 15 20 The correlation coefficient between effectiveness and test net vol is...
- Q Consider the following distribution assume the x axis contains the full domain of values rating n 2524 Frequency 150 100 50 200 300 400 500 600 700 The mean arithmetic...
- Q Consider the following Venn diagram A R Q
- Q Consider the following Venn diagram Q
- Q Consider the following Venn diagram C C
- Q In a running competition a bronze silver and gold medal must be given to the top three girls and top three boys If 12 boys and 7 girls are competing...
- Q what is the mean of the discrete vendom veriable X O with the following proberbility distribution 13 x 1 3 2 3
- Q Consider the following Venn diagram B Q
- Q 8000 the following Venn diagram A Pr A is closest to 05 18 07 14 07 1 017 011 20 04 9 07 16 014 17 000000 Pr B is...
- Q mong all your Facebook friends 36 are people you have actually met 37 are people you know but have never actually met and the rest are people you do not...
- Q a 2 points 1 each Use truth tables to determine which of the following assertions is correct no truth table no credit p v p p v q p q...
- Q Use regression to find a quadratic model for the given data Round the terms to four decimal places 6 8 7 y X y 1 3 3 6 5 13...
- Q In order to spice up your investment portfolio you decided on the morning of March 19 2004 to ignore your broker s cautious advice and purchase three tech stocks and...
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