1-Consider a standard normal distribution. a) Find the area between z = -0.05 and z = 1.3 2- A random variable X forms a normally distributed data set with mean 86.2 and standard deviation 2.83 . Determine the probability that X is at least 88. (Express your final answer in 4 decimal places)

1-Consider a standard normal distribution. a) Find the area between z = -0.05 and z = 1.3 2- A random variable X forms a normally distributed data set with mean 86.2 and standard deviation 2.83 . Determine the probability that X is at least 88. (Express your final answer in 4 decimal places)

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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1-Consider a standard normal distribution.

a) Find the area between z = -0.05 and z = 1.3

A random variable X forms a normally distributed data set with mean 86.2 and standard deviation 2.83 .

Determine the probability that X is at least 88. (Express your final answer in 4 decimal places)

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