Question: If the random variable z has a standard normal distribution, sketch (insert your photos of your sketches) and find each of the following probabilities using

If the random variable z has a standard normal distribution, sketch (insert your photos of your sketches) and find each of the following probabilities using a z table. You may need to reference an online z table.

a. P( -1.24< z <1.15)

b. P( z< 2.19)

c. P( z> 1.78)

d. P( z< -2.22)

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