Entries by Grace Wahito

Question 1Let x represent the height of first graders in a class.

March 24, 2020 in /by

Question 1Let x represent the height of first graders in a class. This would be considered what type of variable: A)Continuous B)Discrete C)Nonsensical D)Lagging Question 2 Let x represent the height of corn in Oklahoma. This would be considered what type of variable: A)Continuous B)Inferential C)Distributed D)Discrete Question 3 Consider the following table. Age Group […]

 

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Question 11Say a business found that 29.5% of customers in Washington prefer grey suits.

March 24, 2020 in /by

Question 11Say a business found that 29.5% of customers in Washington prefer grey suits. The company chooses 8 customers in Washington and asks them if they prefer grey suits. What assumption must be made for this study to follow the probabilities of a binomial experiment? A)That those selected have similar characteristics to those in the […]

 

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Question 1The length of time a person takes to decide which shoes

March 24, 2020 in /by

Question 1The length of time a person takes to decide which shoes to purchase is normally distributed with a mean of 8.21 minutes and a standard deviation of 1.90. Find the probability that a randomly selected individual will take less than 5 minutes to select a shoe purchase. Is this outcome unusual? A)Probability is 0.954, […]

 

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Question 11A running shoe company wants to sponsor the fastest 3% of runners

March 24, 2020 in /by

Question 11A running shoe company wants to sponsor the fastest 3% of runners. You know that in this race, the running times are normally distributed with a mean of 7.2 minutes and a standard deviation of 0.56 minutes. How fast would you need to run to be sponsored by the company? A)6.3 minutes B)6.1 minutes […]

 

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