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.
Blog
Determine whether the value is a parameter or statistic: a)…
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 universit…
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.
Simplify.
A group was tested for drugs. The table shows the results of…
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
An experiment is to draw 1 card from a fair deck of playing…
An experiment is to draw 1 card from a fair deck of playing cards.a) If you were to list the sample space, how many equally likely outcomes would it have? [a]b) Find the probability of getting a 8. Leave your answer as a fraction. [b]c) Find the probability of not getting a spade. Leave your answer as a fraction. [c] d) Find the probability of getting a spade. Leave your answer as a fraction. [d] e) Find the probability of getting a 8 or a diamond. Leave your answer as a fraction. [e]
A group was tested for drugs. The table shows the results of…
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 24 11 35 No Drug Use 18 123 141 Total 42 134 176 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
A rancher is interested in the average age that a cow begins…
A rancher is interested in the average age that a cow begins producing milk. Match the vocabulary word with its corresponding example.
A single card is drawn at random from a deck of 52 cards. De…
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 an 8? [a] What is the probability the card drawn is a 2? [b] What is the probability that the card is an 8 and a 2? [c] What is the probability that the card is an 8 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 diamond? [f] What is the probability that the card is a face card and a diamond? [g] What is the probability that the card is a face card or a diamond? [h]
A company manufactures eyeglasses for different retailers. T…
A company manufactures eyeglasses for different retailers. The number of days it takes to fix defects in an eyeglass and the probability that it will take that number of days are in the table. Number of days Probabilities 1 0.2489 2 0.1073 3 0.0914 4 0.1232 5 0.1332 6 0.1141 7 0.0694 8 0.0461 9 0.0187 10 0.0135 11 0.0104 12 0.0077 13 0.006 14 0.0045 15 0.0016 16 0.0021 17 0.0011 18 0.0008 The random variable is the number of days to fix the defect.Below is a histogram of the number of days to fix defects. the total area for all the rectangles added up is 1. Find probability that it will take no more than 1 days to fix the defect.