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Question 3 (15 marks) a variable has a normal distribution with an arithmetic mean of 100 and a standard deviation of 10. what is the probability that values will be115 or greater. Question 4 (15...

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Question 3 (15 marks)

a variable has a normal distribution with an arithmetic mean of 100 and a standard deviation of 10. what is the probability that values will be115 or greater.

Question 4 (15 marks)

a variable has a normal distribution with an arithmetic mean of 100 and a standard deviation of 10. What is the probability that values will be75 or less.

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Answered Same Day May 03, 2022

Solution

Prince answered on May 03 2022
95 Votes
Question 3:
A variable has a normal distribution with an arithmetic mean of 100 and a standard deviation of 10. what is the probability that values will be115 or greater?
Solution:
Given: Mean = 100
Standard Deviation = 10
Probability greater than 115: P (X >= 115)
= 1 – P(X < 115)
...
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