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The annual rainfall in a certain region is approximately normally distributed with mean 41.2 inches and standard deviation 5.4 inches. Round answers to the nearest tenth of a percent.a) What percentage of years will have an annual rainfall of less than 43 inches?  [a]% b) What percentage of years will have an annual rainfall of more than 39 inches?  [b]% c) What percentage of years will have an annual rainfall of between 38 inches and 42 inches?  [c]%

A school put on a music program.  Adult tickets were sold for $5.00 each, and child tickets were sold for $3.50 each.  The school collected $1,411.00 from ticket sales.  If a total of 323 tickets were sold, how many were adult tickets and how many were child tickets? [a] adult tickets were sold. [b] child tickets were sold.

IQ is normally distributed with a mean of 100 and a standard deviation of 15. Suppose one individual is randomly chosen. Find the probability that this person has an IQ greater than 95.  Write your answer in percent form. Round to the nearest tenth of a percent. (IQ greater than 95)= [a] % Suppose one individual is randomly chosen. Find the probability that this person has an IQ less than 125. Write your answer in percent form. Round to the nearest tenth of a percent. (IQ less than 125)= [b] In a sample of 700 people, how many people would have an IQ less than 110?  [c] people In a sample of 700 people, how many people would  have an IQ greater than 140? [d] people

A single card is drawn at random from a deck of 52 cards. Determine the following probabilities. Enter your final answes as reduced fractions or whole numbers.Note: Aces are not considered Face or Number cards. What is the probability the card drawn is a 4? [a] What is the probability the card drawn is a 2? [b] What is the probability that the card is a 4 and a 2? [c] What is the probability that the card is a 4 or a 2? [d] What is the probability the card drawn is a face card? [e] What is the probability the card drawn is a club? [f] What is the probability that the card is a Face card and a club? [g] What is the probability that the card is a Face card or a club? [h]

Write the equation for the following graph: [a]  

The accompanying data table lists the life expectancy for US females in 2010. Use the lower class limits of 72, 74, 76, 78, 80, 82, 84. Draw a histogram by hand on your scratch paper.  You will upload your scratch paper at the end of the test. This assignment won’t have the full points until this problem is graded.

Determine whether the value is a parameter or statistic: a) 20% of vehicles sold are compact cars. [a] b) In a weight loss research study the sample of 50 men lost an average of 2.5 pounds. [b]  c) Portland Community College determined that 89% of students who took MTH 251 successfully completed the course. [c] d) Facebook recently tested all of their servers and found that 99% were performing as intended. [d]

Kyle and Ryan take entrance exams at two different universities. Kyle scores a 473 on an exam with a mean of 375 and a standard deviation of 52, while Ryan scores a 43 on an exam with a mean of 22 and a standard deviation of 4.5. Which do you think is more likely to be accepted at the university of his choice?Round to the hundredths place. What is Kyle’s test score as a zscore? [a] What is Ryan’s test score as a zscore? [b] Who is more likely to be accepted at the university of his choice? Type either Kyle or Ryan in the box below.  [c]

Simplify.  

A group was tested for drugs. The table shows the results of the test along with actual drug use. Test Positive Test Negative Total Used Dugs 26 13 39 No Drug Use 25 189 214 Total 51 202 253 Let D = event “Used Drugs”, N = event “No Drug Use”, + be “Test positive”, and finally – be “Test negative”Round each answer to 4 decimal places. (D or +)= [a] (N and +) = [b] (N