# Question: Find the z score boundaries that separate a normal distribution as

Find the z-score boundaries that separate a normal distribution as described in each of the following.

a. The middle 30% from the 70% in the tails.

b. The middle 40% from the 60% in the tails.

c. The middle 50% from the 50% in the tails.

d. The middle 60% from the 40% in the tails.

a. The middle 30% from the 70% in the tails.

b. The middle 40% from the 60% in the tails.

c. The middle 50% from the 50% in the tails.

d. The middle 60% from the 40% in the tails.

## Relevant Questions

A normal distribution has a mean of μ = 70 and a standard deviation of σ = 8. For each of the following scores, indicate whether the tail is to the right or left of the score and find the proportion of the distribution ...According to a recent report, people smile an average of μ = 62 time per day. Assuming that the distribution of smiles is approximately normal with a standard deviation of σ = 18, find each of the following values. a. What ...What are the two requirements that must be satisfied for a random sample? A sample of n = 4 scores has a mean of µ = 75. Find the z-score for this sample: a. If it was obtained from a population with µ = 80 and σ = 10. b. If it was obtained from a population with µ = 80 and σ = 20. c. If it ...At the end of the spring semester, the Dean of Students sent a survey to the entire freshman class. One question asked the students how much weight they had gained or lost since the beginning of the school year. The average ...Post your question