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Author Question: For a standard normal distribution, determine the probabilities of obtaining the following z values. ... (Read 65 times)

danitzaidaly

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on: Mar 25, 2023

Question 1

Approximate the following binomial probabilities by the use of normal approximation.

a.P(X = 18, n = 50, p = 0.3)
b.P(X 15, n = 50, p = 0.3)
c.P(X 12, n = 50, p = 0.3)
d.P(12 X 18, n = 50, p = 0.3)



Question 2

For a standard normal distribution, determine the probabilities of obtaining the following z values.  It is helpful to draw a normal distribution for each case and show the corresponding area.

a.Greater than zero
b.Between -2.4 and -2.0
c.Less than 1.6
d.Between -1.9 to 1.7
e.Between 1.5 and 1.75

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by danitzaidaly on Mar 25, 2023

viper01

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Reply #1 on: Mar 25, 2023
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danitzaidaly

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Reply 2 on: Mar 25, 2023
YES! Correct, THANKS for helping me on my review

tandmlomax84

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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