Compute the probabilities using the standard normal curve P(-1.89 < z < 1.68)

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Solution:

P(-1.89 < z < 1.68)

= P(z < 1.68) - P(z < -1.89)

= P(z < 1.68) - P(z > 1.89)

= P(z < 1.68) - [1 - P(z $\le$ 1.89)]

= 0.95352 - [1 - 0.97062] [Using z-score table]

= 0.92414

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Question ID: mtid-4-stid-46-sqid-2173-qpid-643