Statistics

The probability for passing this test is 83; if there are 20 people in the class, what is the probability that exactly 19 will pass? (round your answer to 4 decimal places) In order for Fred Whisker to pass the Archery Unit in PE Class, he has to hit the bulls-eye with an arrow. Fred hits the bulls-eye 25% of the time. What is the probability that Fred will hit the bulls-eye on his first shot on his second shot on his third shot and that it takes him more than 3 shots Round to 4 decimal places. . On a recent math test, the average score was a 78.5 with a standard deviation of 7.5. Convert the following raw scores to z-scores. Andre 60 Betty 92 Convert the following z-scores to raw scores Felicia .57 George -1.58 Find thefollowing probabilities for z on the standard normal curve. 13. P( 32 1.67) Given that u = 40 and o = 15 and x is normally distributed, find P( 25