population sampling and distribution

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week_2_assignment_2.xlsx

Problem 1

X = 108 Z =
X = 112 Z =
X = 98 Z =
X = 70 Z =
X = 124 Z =
p(x > 108)
p(x < 98)
p(92 < x < 108)
p(84 < x < 116)
p(x < 84)

1 A. For a normal distribution that has a mean of 100, and a standard deviation of 8, determine the Z-score for each of the following X values:

1 B. Use the information in 1 A. to determine the area or probability of the following:

Name: Date: Topic 2: Population and Sampling Distribution Excel Worksheet Directions: Answer all questions and submit to instructor at the end of Topic 2

Problem 2

Q1
Q2
Q3
Q4
Q5
Q6
Q7 mean
SE
Q8

7. Find the mean and standard error of the sample means that is normally distributed with a mean of 10 and a standard deviation of 2 and a sample size of 25. 8. Using the above distribution find the probability of a score less than 11.