The mean amount spent by a family of four on food per month is $507 with a standard deviation of $79. Assuming that the food costs
are normally distributed, what is the probability that a family of four spends more than $600 per month on food?
Select one:
O a. 1.18
b. 0.3810
O c. 0.8810
O d. 0.1190
Clear my choice
What is the probability of a value occurring between the mean and a z-Value of 1.26?
Select one:
O a. 0.0793
b. 0.1026
O c.
0.3849
O d. 0.3962
Clear my choice

Respuesta :