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Author Question: What is the probability that exactly half the male adults will be less than 62 inches ... (Read 49 times)

audragclark

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on: Jun 24, 2018
What is the probability that exactly half the male adults will be less than 62 inches tall?

Question 2

Approximately what percentage of the observed Y values are within one standard error of the estimate ( ) of the corresponding fitted Y values?
 a. 67
  b. 95
  c. 99
  d. It is not possible to determine this.


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yotaSR5

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Reply #1 on: Jun 24, 2018
Answer to Question 1

Let X be the height of a male adult. Then P(X<62) = P(Z<-1.2) = 0.1151
Number of male adults who are less than 62 inches tall follows a binomial distribution with n =12 and p = 0.1151 . Then P(exactly 6 under 62 inches) = 0.00103

Answer to Question 2

a


audragclark

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Reply 2 on: Jun 24, 2018
:D TYSM

Dominic

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Reply 3 on: Yesterday
Gracias!

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