Question

The heights of tomato plants are Normally distributed with a mean of 3.56 feet and a standard deviation of 0.25 foot.

About what percent of tomato plants have a height less than or equal to 3.88 feet?

About what % of tomato plants have a height less than or equal to 3.88 feet. Round the percent to two decimal places, if necessary.

Answer 1

89.97%

Explanation:

Answer 2

We need to find the percentage of tomato plant that has a height less than or equal to 3.88 feet.

We know that the tomato plant heights are normally distributed with a mean of 3.56 ft and a standard deviation of 0.25 ft.

Thus, the percentage P(x≤3.88) of the heights being less than 3.88 can be calculated using the z-score z, given

Answer

About 89.97% of tomato plants.