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Author Question: Consider a standard normal random variable z. a. Find P(0 z 1.28). b. Find P(-.11 z 2.54). c. ... (Read 112 times)

Sportsfan2111

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on: Jul 25, 2018
Consider a standard normal random variable z.
  a. Find P(0  z  1.28).
  b. Find P(-.11  z  2.54).
  c. Find P(z  -1.83).
 
  What will be an ideal response?

Question 2

In a sample of 18 students at East High School the following number of days of absences were recorded for the previous semester: 4, 3, 1, 0, 4, 2, 3, 0, 1, 2, 3, 0, 4, 1, 1, 5, 1, 1.
  Find the mean, median, and mode.
 
  What will be an ideal response?


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Christopher

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

a. .3997
b. .5383
c. .0336

Answer to Question 2

mean = 2, median = 1.5, mode = 1


Sportsfan2111

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Reply 2 on: Jul 25, 2018
Excellent

patma1981

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

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