If 63% lie above the z-score, then 37% lie below, or to the left.
On the "negative" chart locate the value closest to 0.37. It is 0.3070 that corresponds to the z-score of -0.33.
Answer:
$15.25
Step-by-step explanation:
1.58 x 5 = 7.90 + 0.80 = 8.70
7.90 / 2 = 3.95
20 - 8.70 = 11.30 + 3.95 = 15.25
(If this is wrong please tell me!)
Answer:
(5,3) and (10,6)
Step-by-step explanation:
Answer:
it is clear that at 95% confidence that the bonus plan has increased the sales significantly, because if we observe you will notice that sales after is greater than sales before in all six cases.
Step-by-step explanation:
A 95% confidence interval as we have above is the range of values that we can say with utmost certainty and confidence that 95% chance it contains the true mean of the population. in other words we can say that a 95% confidence interval defines a range of values that you can be 95% certain contains the population mean.
Step-by-step explanation:
1= C 30
2= A 75
3= D 180
4= A 75
5= B 150
