Posted by **ken** on Sunday, March 28, 2010 at 7:53pm.

Relative humidities (represented by RH below) of less than 51% cause problems in growing crops. The Saskatoon region is a prime wheat-growing area. The mean RH in Saskatoon is 59% in July, with a standard deviation of 8%. The RH for the days in July forms a normal distribution, on how many days in July is it likely to be dry enough to threaten wheat crops in the area?

(a) What percent of days in July is it likely to be dry enough to threaten wheat crops? In other words, in what percent of the days is the RH below 51%?

(b) On how many days in July is it likely to be dry enough to threaten wheat crops in the area? Of course everyone knows that July has 31 days!

## Answer This Question

## Related Questions

- Math - A farmer has enough seeds to grow 200 crops of wheat and 300 crops of ...
- Please answer - An agricultural researcher is interested in estimating the mean ...
- Physics - A small aircraft has a flying speed of 200 km/h in still air. To make ...
- Data Management - This is a hard question as it has a diagram. Basically the ...
- English - 1. The next few years, you are growing in and out. 2. During the next ...
- Socials - What region is each of the following places located in? a) kamloops, ...
- economics - if land suitable for growing corn is also suitable for growing ...
- Math - A farmer uses 11/18 of his field for growing rice and 3/7 of the ...
- Math - There are 356 rows of tress growing in the field. There are 299 trees in ...
- Question abt Conflict - One more question. Cause the conflict was about the land...

More Related Questions