Answer:0.32 is closer the the number one then 0.102 is
Step-by-step explanation:
Answer:
$3.98(estimated)
Step-by-step explanation:
3c (cake) + 2(2c - 11) (bread) = 5.87
3c + 4c - 22 = 5.87
7c - 22 = 5.87
7c = 5.87 + 22
7c = 27.87
c = 3.98
6n+8+3n-5 because you have to flip the numbers when a question says less than or more than
Answer:
b. False
Step-by-step explanation:
We have that to find our level, that is the subtraction of 1 by the confidence interval divided by 2. So:
Now, we have to find z in the Ztable as such z has a pvalue of .
So it is z with a pvalue of , so
Now, find the margin of error M as such
In which is the standard deviation of the population and n is the size of the sample.
If he desires a 90 percent confidence interval estimate and wishes to have a margin of error of 1 minute, the required sample size will be
Sample size of n when . So
Rouding up, 44.
Approximately 143.
False