In an agricultural study, the average amount of corn yield is normally distributed with a mean of 185.2 bushels of corn per acre

Question

3 years ago

9

In an agricultural study, the average amount of corn yield is normally distributed with a mean of 185.2 bushels of corn per acre

, with a standard deviation of 23.5 bushels of corn. If a study included 1200 acres, about how many would be expected to yield more than 206 bushels of corn per acre?

Mathematics

1 answer:

babunello [35] · Answer 1 · 2022-07-11T04:36:32+03:00

babunello [35]3 years ago

6 0

Answer:

About 786 would be expected to yield more than 180 bushels of corn per acre

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean and standard deviation , the zscore of a measure X is given by: