Homework #3 1) Between a z-score of .27 and the mean 2) Between a z-score of 1.07 and the mean 3) At or above a z-score of 1.17 4) At or below a…

Homework #3

1)  Between a z-score of .27 and the mean

2)   Between a z-score of 1.07 and the mean

3)  At or above a z-score of 1.17

4)  At or below a z-score of 1.17

5)  At or below a z-score of -1.57

6)  At or above a z-score of -1.77

7)  Between the z-scores of -1.05 and .57

8)  Between the z-scores of 1.05 and .27

9)  Between the z-scores of 1.25 and .57

10)

We release 10 balloons. There is a 70% chance they will reach Baltimore. 

Quarry Harris releases 12. What is the probability that exactly 9 balloons  

will reach New York?

11) 

When people were shown pictures of Madonna, 95% of them

 recognized her. Find the probability that among 12 randomly selected

 people, exactly 10 will recognize Madonna.

12)

Crystal just learned to play basketball. On average she can land 25% of her free throws. Assume she shoots 10 free throws. Find the probability that she can land at least 1 of the 10 free throws.

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