8. What is the area between z - - 1.23 and z - 2? A. 0.0865 B. 0.4772 C. 0.8679 D. 0.8779 9. Find the area of the shaded region of the given figure. A. 0.0865 B. 0.3907 C. 0.4772 D. 0.8413 10. The area under a normal curve may also be expressed in terms of EXCEPT A. probability B. profit C. proportion D. percentage

What percent of students earned a passing grade of 70 or higher? TEST SCORES: 50,60,61,63,66,67,73,82,89,92

The highest score in a distribution is 74 and the lowest score is 51. What is the range?

the rest were line drives. If Jason's mom only got to see one game during the tournament, what was the Jason got 16 hits in his baseball tournament. Two of his hits were home runs, ten were ground balls, and probability that she saw Jason hit a line drive? Write the probability as a percent. 6. Elizabeth had a spinner that was divided into 8 equal sections and numbered 1-8. If she spins the spinner 56 times, how many times should Elizabeth expect the spinner to stop on the number 4?

There are five students who scored 90, 90, 95, 90, 92 on the midterm exam. The 6th person did not take a test and received zero. What will happen to the mean?

A survey of 190 students at a College showed that 108 students studied College Math, 70 studied Statistics, 30 studied both College Math and Statistics. Find the probability that randomly selected student studied College Math or Statistics. Round your answer to two decimal places

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The scores on a statewide math exam were normally distributed with ?=74 and ?=8. What proportion of test-takers had a grade between 66 and 88 on the exam?

PLEASE DO NOT LOOK UP THE ANSWER AND COPY AND PASTE IT. I CAN TELL IF YOU DO AND WILL GIVE YOU A THUMBS DOWN!!! Thank you 11a. Use the counting techniques from the last chapter. A bag contains two red marbles, three green ones, one fluorescent pink one, four yellow ones, and three orange ones. Suzan grabs three at random. Find the probability of the indicated event. She gets all the red ones, given that she gets the fluorescent pink one. 11b. Use the counting techniques from the last chapter. A bag contains three red marbles, four green ones, one fluorescent pink one, four yellow ones, and three orange ones. Suzan grabs four at random. Find the probability of the indicated event. She gets all the red ones, given that she does not get the fluorescent pink one. 11c. Use the counting techniques. A bag contains two red marbles, four green ones, one fluorescent pink one, four yellow ones, and three orange ones. Suzan grabs four at random. Find the probability of the indicated event. She…