Researchers Studying the Effects of a New Diet Found That

question 78

Short Answer

Researchers studying the effects of a new diet found that the weight loss over a one-month period by those on the diet was normally distributed with a mean of 7 kg and a standard deviation of 2.5 kg.
a. What proportion of the dieters lost more than 10 kg?
b. What proportion of the dieters gained weight?
c. If a dieter is selected at random, what is the probability that the dieter lost at most 5 kg?

---

Definitions:

Lockouts

Actions taken by employers to prevent employees from working as a strategy in labor disputes, typically during negotiations for better terms or conditions.

Picketing

The act of standing or marching outside a place of work or another location as a form of protest, often by workers during a strike.

Preferred Shares

Shares giving the shareholder preference over other classes of shares; that preference often pertains to the payment of dividends.

Legal Obligation

A legal obligation is a requirement imposed by law, where a person is required to perform or refrain from performing a certain action.