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Author Question: The mean height of a basketball team is 6 feet with a standard deviation of 0.2 feet. The team's ... (Read 109 times)

tatyanajohnson

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on: Jul 25, 2018
The mean height of a basketball team is 6 feet with a standard deviation of 0.2 feet. The team's
  center is 6.9 feet tall. Find the center's z score. Is his score unusual?
 
  A) 4.95, yes B) 4.5, yes C) 3.83, no D) 4, no

Question 2

The probability that when 75 people are surveyed, at least five of them have the same
  birth date. (Ignore leap years).
 
  What will be an ideal response?


Loise Hard

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Reply #1 on: Jul 25, 2018
Answer to Question 1

B

Answer to Question 2

Answers may vary. Begin by representing birthdays by integers from 1 to 365. Then use a calculator or computer
program to generate 75 random integers. Count as a success if at least five of them are the same. (The numbers can be
sorted so that this is relatively easy to determine.) Repeat for 100 trials. The estimated probability is the number of
successes divided by 100. Estimated probability is about 0.00.


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