The mean number of hours per day spent watching television, according to a national
survey, is 3.5 hours, with a standard deviation of two hours. if each time was
increased by one hour, what would be the new mean and standard deviation? (2
points)
1) 5.5,3
o 2) 4.5, 2
o 3) 3.5,3
4) 4.5, 3

1) 5,5, 3

Step-by-step explanation:

Increase by one hour → 2 to 3

Standard Deviation of two hours → 3,5 to 5,5

I hope this helps, and as always, I am joyous to assist anyone at any time.

94

step-by-step explanation:

average the numbers and use a variable to figure out the minimum to get a 90.

(79+94+91+92+x)/5=90

x = 94