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Author Question: Given that z is a standard normal random variable, and that the area to the right of z is 0.9066, ... (Read 54 times)

TVarnum

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on: Jun 24, 2018
Given that z is a standard normal random variable, and that the area to the right of z is 0.9066, then the value of z must be:
 a. 1.32.
  b. -1.32.
  c. 0.66.
  d. -0.66.

Question 2

A manufacturing company packages peanuts for Piedmont Airlines. The individual packages weigh 1.4 grams with a standard deviation of 0.6 grams. For a flight of 152 passengers receiving the peanuts, the probability that the average weight of the packages is less than 1.3 grams is:
 a. 0.0202.
  b. 0.2040.
  c. 0.9798.
  d. 0.4798.
  e. 2.0500.


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katkat_flores

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

B

Answer to Question 2

A


TVarnum

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Reply 2 on: Jun 24, 2018
:D TYSM

duy1981999

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Reply 3 on: Yesterday
Gracias!

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