b. Find the probability that the person is between 67.3 and 69.3 inches. 0.2837 X

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need help with part b , thanks

According to a study done by UCB students, the height for Martian adult males is normally distributed with
an average of 67 inches and a standard deviation of 2.4 inches. Suppose one Martian adult male is randomly
chosen. Let X = height of the individual. Round all answers to 4 decimal places where possible.
a. What is the distribution of X? X - N( 67
2.4
b. Find the probability that the person is between 67.3 and 69.3 inches. 0.2837 X
c. The middle 40% of Martian heights lie between what two numbers?
Low: 65.7414
inches o
High: 68.2586
inches
Transcribed Image Text:According to a study done by UCB students, the height for Martian adult males is normally distributed with an average of 67 inches and a standard deviation of 2.4 inches. Suppose one Martian adult male is randomly chosen. Let X = height of the individual. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( 67 2.4 b. Find the probability that the person is between 67.3 and 69.3 inches. 0.2837 X c. The middle 40% of Martian heights lie between what two numbers? Low: 65.7414 inches o High: 68.2586 inches
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