Question

In: Statistics and Probability

Suppose that you are designing an instrument panel for a large industrial machine. The machine requires...

Suppose that you are designing an instrument panel for a large industrial machine. The machine requires the person using it to reach 2 feet from a particular position. The reach from this position for adult women is known to have a mean of 2.6 feet with a standard deviation of 0.4. The reach for adult men is known to have a mean of 3.3 feet with a standard deviation of 0.7. Both​ women's and​ men's reach from this position is normally distributed. If this design is​ implemented, (a) what percentage of women will not be able to work on this instrument​ panel? (b) What percentage of men will not be able to work on this instrument​ panel? (c) Explain your answers to a person who has never had a course in statistics.

Solutions

Expert Solution

Answer a)

Thus, 6.68% of women will not be able to work on this instrument​ panel.

Answer b)

Thus, 3.14% of men will not be able to work on this instrument​ panel.

Answer c)

If 10000 adult women are randomly selected, out of that 668 women will not be able to work on this instrument​ panel.

If 10000 adult men are randomly selected, out of that 314 men will not be able to work on this instrument​ panel.


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