Mathematics, 05.07.2020 14:01 tylerjoshonti
Researchers conducted a study to find out if there is a difference in the use of eReaders by different age groups. Randomly selected participants were divided into two age groups. In the 16- to 29-year-old group, 7% of the 627 surveyed use eReaders, while 11% of the 2,314 participants 30 years old and older use eReaders. Use a = 0.05. Required:a. State the null hypothesis. b. State the alternative hypothesis. c. State the distribution to use for the test. (Round your answers to four decimal places.) d. Determine the test statistic using your data. (Round your answers to two decimal places.) e. What is the p-value? (Round your answer to four decimal places.) Explain what the p-value means for this problem. f. Draw a graph and label it appropriately. Shade the actual level of significance. g. Do you or do you not reject the null hypothesis? Why? h. Write a clear conclusion using a complete sentence.
Answers: 2
Mathematics, 21.06.2019 14:30
Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.
Answers: 1
Mathematics, 21.06.2019 15:00
Tell me how you got the it use the figures to answer questions 1and 2. in each diagram, line k is parallel to line l, and line t intersects lines. 1. based on the diagrams, what is the value of x? 2. how would you verify your answer for x?
Answers: 1
Mathematics, 21.06.2019 17:00
Suppose a pendulum is l meters long. the time,t,in seconds that it tales to swing back and forth once is given by t=2.01
Answers: 1
Researchers conducted a study to find out if there is a difference in the use of eReaders by differe...
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