Answer:
umm, 3/4
like
bru
Step-by-step explanation:
Answer:
80.3
Step-by-step explanation:
20.075 x 4 = 80.3
Hope that helps!
Answer:
240
Step-by-step explanation:
Given
60a = b ( divide both sides by a )
60 =
( multiply both sides by 4 )
240 = 
Answer:
The average life of the mice that are placed on this diet is less than 40 months.
Step-by-step explanation:
Consider the provided information.
When 40% of the calories in their diet are replaced by vitamins and protein. Is there any reason to believe that μ < 40.
The null and alternative hypothesis are:

64 mice that are placed on this diet have an average life is 38 months with a standard deviation of 5.8 months.
Therefore, 
Use the formula: 
Substitute the respective values in the above formula.


Now using the table 
The p value is smaller than 0.05 so reject the null hypothesis.
Therefore, the average life of the mice that are placed on this diet is less than 40 months.
Answer: 6
Step-by-step explanation:
6 is more than -2.
Any positive number is greater then a negative number.