Answer:
phoebe would have made 16 valentines
Step-by-step explanation:
Answer:
A,D,E
Step-by-step explanation:
A) (5)+3=8
D)12x5=60
E) 12+5=17
2 feet in a second 12 inches in a foot
Answer:
And the 96% confidence is given by (110.06; 117.34)
Step-by-step explanation:
Information given
represent the sample mean
population mean (variable of interest)
s=9.1 represent the sample standard deviation
n=29 represent the sample size
Confidence interval
The confidence interval for the mean is given by the following formula:
(1)
The degrees of freedom are given by:
The Confidence is 0.96 or 96%, the significance is
and
, and the critical value would be
Replacing the info we got:
And the 96% confidence is given by (110.06; 117.34)