Forty people were surveyed about their favorite flavor of ice cream. how many like just chocolate? if fifteen like vanilla and nine like vanilla and chocolate .

a.24
b.16
c.31
d. non of these

What is the measure of angle x? answer

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is