Statistics question and answers for October 05, 2023
- Q Graph the function y 2x 4 2 y 6 4 2 2 4 6 2 4 X 4 2 4 y 2 2 4 6
- Q diagram to represent the situation 1 Treasure KUDUZ Starting point They knew they needed to find the horizontal and vertical distances between themselves and the treasure represented by the lines...
- Q Suppose X X2 X15 is a random sample with replacement from the Normal population with a mean of 15 and a standard deviation of 10 Find P 13 5 X...
- Q Let X be a normal random variable with a mean of 5 and a standard deviation of 10 Find P 20 X 15 O 0 3413 O 0 4938 0...
- Q 3 5 points A local firm recently purchased a stamping machine newer model to be used alongside its current stamping machine old Only one machine is required to operate at...
- Q A 3 person committee is to be chosen from 18 British people and 15 Americans What is the probability that the committee will consist of all Americans The events of...
- Q hull alternative hypothesis 24 n 65 Sample mean 22 2 4 22 8 1 16 whats the probability is the sample mean unusual
- Q Kony The number of televisions HD per 0 1 406 0 156 Televisions Households P x 0 010 Choose the correct answer below It would not be unusual
- Q Oak Tree circumference and Age 19 Circumference in Age years Which issue can be addressed by conducting a statistical analysis of the values given by the table An older oak...
- Q 9 percent of Geometry students turn in their homework on time Suppose a group of udents is selected and the probability that 5 turned in their homework on time is...
- Q Put the steps of the Rational Decision Making Model in order Implement the Decision Choose the Best Alternative Evaluate the Alternatives Weigh Decision Criteria
- Q According to a study done by Nick Wilson of Otago University Wellington the probability a randomly selected individual will not cover his or her mouth when sneezing is 0 267...
- Q To produce x units of a religious medal costs C x 13x 60 The revenue is R x 33x Both cost and revenue are in dollars a Find the break...
- Q In a survey of 2341 adults 732 say they believe in UFOs Construct a 99 confidence interval for the population proportion of adults who believe in UFOs A 99 confidence...
- Q Select all of the following indicators Answer
- Q Sixty five percent of men consider themselves knowledgeable soccer fans If 11 men are randomly selected find the probability that exactly three of them will consider themselves knowledgeable fans Round...
- Q A quiz consists of 50 multiple choice questions each with five possible answers only one of which is correct If a student guesses on each question what is the mean...
- Q The probability that a football game will go into overtime is 12 What is the probability that two of three football games will go to into overtime Round to three...
- Q Select all of the following indicators
- Q Consider the discrete probability distribution given when answering the following question Find the probability that equals 4 X P x 3 0 02 A 0 66 O B 2 64...
- Q The graph of the discrete probability to the right represents the number of live births by a mother 49 to 54 years old who had a live birth in 2015...
- Q Use n 6 and p 0 6 to complete parts a through d below 5 0 1866 6 0 0467 Round to four decimal places as needed b Compute the...
- Q Use n 6 and p 0 6 to complete parts a through d below a Construct a binomial probability distribution with the given parameters X P x 0 0 0041...
- Q Fourteen jurors are randomly selected from a population of 4 million residents Of these 4 million residents it is known that 39 are of a minority race Of the 14...
- Q polynomial function is given R x x 4x 4x a Describe the end behavior of the polynomial function End behavior y 3 b Match the polynomial function with one of...
- Q An ord spots Imagine that such a die is rolled twice in succession and that the face values of the two rolls are added together This sum is recorded as...
- Q exclusive Suppose event A occurs with probability occurs with probability 0 06 1t mobnst te bozeldza Compute the following fed a Compute the probability that B occurs but A does...
- Q 8 According to the manufacturer the normal output voltage for a particular device is 120 volts 1 point From a sample of 40 devices the mean was found to be...
- Q 29 O 40 33 The first quartile Q1 value from the above box plot is O 29 33 O 52 40 52 70
- Q The mean of any standard normal distribution is O 1 O 0 5 O 0 5 O 0
- Q Consider the histogram showing the weights of babies born in a hospital over a month Weight of Babies Number of Babies 4 2 1 04 4 O 12 5 How...
- Q The dot plot below shows the number of songs Carly downloaded over 15 successive weekends 08 4 O 5 5 6 What is the greatest number of songs downloaded 8...
- Q This scatterplot shows the number of hours a student slept every night and his or her grade point average Grade Point Average 4 0 3 5 3 0 2 5...
- Q A credit card company surveys 125 of its customers to ask about satisfaction with customer service The results of the survey divided by gender are shown below O 0 81...
- Q O What is the theoretical probability of drawing a king from a well shuffled deck of 52 cards 1 26 4 13 03 122 O 52 D
- Q Peter analyzed a set of data with explanatory and response variables x and y He concluded the mean and standard deviation for x as 7 8 and 3 70 respectively...
- Q Use the data in the Stem L STEM LEAF 015 113 256 3302 4974
- Q Which of the following is not a characteristic of t distribution O Depends on degrees of freedom O It tends to be flatter and have heavier tail than normal distribution...
- Q A correlation coefficient between average temperature and ice cream sales is most likely to be O between 1 and 2 O between 1 and 2 O between 0 and 1...
- Q Which of the following is NOT a guideline for establishing causality O Look for cases where correlation exists between the variables of a scatterplot O Perform a randomized controlled experiment...
- Q Fred Anderson an artist has recorded the number of visitors who visited his exhibit in the first 8 hours of opening day He has made a scatter plot to depict...
- Q Data for price and thickness of soap is entered into a statistics software package and results in a regression equation of 0 4 0 2x What is the correct interpretation...
- Q 1 20 30 QUESTION 14 and 70 Given X 100 98 81 78 78 94 82 96 96 77 78
- Q Determine whether or not the given procedure Spinning Answer
- Q Question 12 What is the difference between disposable and discretionary income Points 1 Disposable income is primarily used to satisfy needs while discretionary income is used to supply wants Discretionary...
- Q Question 9 Points 2 How would you categorize direct foreign investment in the United States As the amount of foreign purchases of U S real estate and businesses foreign investment...
- Q Study the following list CITGO Ben Jerry s Ice Cream Trader Joe s A P Supermarkets Which of the following choices are the companies in the list an example of...
- Q Given the following discrete uniform probability distribution find t decimal places if necessary Answer
- Q square root of the proportion of the total varia a and c QUESTION 4 correlation of r 0 60 exists between a set of stributions the value of r will...
- Q STION 6 ation implies causation e Ise JESTION 7 positive relationship b is negative b is positive a must be positive a must be negative
- Q Determine whether or not the following distribution is a pro satisfied by the distribution Answer
- Q If n 140 and p p hat 0 4 construct a 95 confidence interval Give your answers to three decimals Question Help
- Q A psychologist is interested in constructing a 99 confidence interval for the proportion of people who accept the theory that a person s spirit is no more than the complicated...
- Q Random Phenome Step 3 of 3 What is Answer
- Q Random Phenomenon Observe the r Step 1 of 3 Identify the random varia Answer
- Q One condition for performing a hypothesis test is that the observations are independent Mary is going to take a sample from a population of 500 students How many students will...
- Q Which of the following is a guideline for establishing causality O Check if the effect is present when the response variable is absent Look for cases where correlation exists between...
- Q 3 4 points Students take lecture quizzes in EAS 305 classes Meanwhile some students that use mobile devices have been having issues submitting their answers The instructor suspects that the...
- Q Two sets A and B are shown in the Venn diagram below 8 Which statement is TRUE O Set A has 8 elements A O Set B has 7 elements...
- Q Which of the following is an example of a false positive O Test results indicate that a patient does not have cancer when in fact he does O Test results...
- Q Three hundred students in a school were asked to select their favorite fruit from a choice of apples oranges and mangoes This table lists the results O 0 39 O...
- Q Which of the following is a property of binomial distributions O The sum of the probabilities of successes and failures is always 1 O All trials are dependent O The...
- Q 1 The sample mean of observations x x2 Xn is given by 2 Sample median x 1 1 th ordered values average of 2 th and 1 th ordered values...
- Q Jake tosses a coin and rolls a six sided die All of the following are possible outcomes EXCEPT O Tails One O Tails Three O Heads Seven O Heads Five
- Q Using the Venn Diagram below what is the conditional probability of event B occurring assuming event A has happened P BIA O 0 77 O 0 63 0 41 0...
- Q O 0 42 O 0 22 O 0 60 A Using this Venn diagram what is the probability that event A or event B occurs 0 78 0 39 0...
- Q Which of the following statements is true for an outlier O It is a data point that is between Q1 1 5 x IQR and Q3 1 5 x IQR...
- Q Which of the following statements is true O According to the Central Limit Theorem the mean of the sampling distribution is equal to the population mean as long as the...
- Q Which of the following statements is true O If the variance of a data set is 25 the standard deviation is 5 O If the variance of a data set...
- Q Which of the following statements is true O A standard normal curve has a mean of 1 and a standard deviation of 2 O A standard normal curve has a...
- Q 3 points The sample space when an octagonal Rubik s cube is rolled is S 1 2 3 4 5 6 7 8 Event A consists of odd numbers while...
- Q The manager of an amusement park conducts a survey among the people visiting the park to learn their favorite rides Out of 100 people randomly selected to complete the survey...
- Q In looking to determine the proportion of students who enjoy science which of the following might be a representative sample to take O 30 students who received high grades in...
- Q A shoe retailer decides to record the styles and sizes of shoes that his customers choose He records this data for an entire year by keeping track of his customers...
- Q If n 210 and p p hat 0 82 find the margin of error at a 99 confidence level Give your answer to three decimals
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