1) 343/32 or 10.71875 or 10 23/32
2)-8
3)7
There are 4 people in total
(including herself)
so 36 smarties should be evenly distributed among 4 people
so answer = 36/4 = 9
Number of muffins sold=9
and number of pizza pies sold=15
Answer:
Step-by-step explanation:
Sin (angle p) = 48/60 = 4/5 = 0.8
angle p = sin∧-1 0.8 = 53.13010235
Answer:
And the best option for this case would be:
a. (17.5, 21.7)
Step-by-step explanation:
Information given
represent the sample mean
population mean
represent the population deviation
n=42 represent the sample size
Confidence interval
The confidence interval for the mean is given by the following formula:
(1)
The degrees of freedom, given by:
Since the Confidence is 0.98 or 98%, the significance would be
and
, and the critical value would be
Replacing we got:
And the best option for this case would be:
a. (17.5, 21.7)