Altogether, I have 10 bags of sweets. The mean number of sweets in the bags is 40.
The table shows how many sweets there are in 9 of the bags.
Number of sweets
in a bag
Frequency
39 2
40 4
41 1
42 2
43 0
How many sweets are in the 10th bag?

1. suppose that scores on a knowledge test are normally distributed with a mean of 71 and a standard deviation of 6. a. label the curve: show the mean and the value at each standard deviation: b. if angelica scored a 76 on the test, what is her z-score? (draw her score on the curve above and label) c. what percent of students did angelica score higher than? how can you tell? d. if 185 students took the test, how many students scored higher than angelica?