Mathematics, 10.03.2020 19:56 gugu1004
An educational psychologist wishes to know the mean number of words a third grader can read per minute. She wants to make an estimate at the 98% level of confidence. For a sample of 3958 third graders, the mean words per minute read was 22. Assume a population standard deviation of 4.9. Construct the confidence interval for the mean number of words a third grader can read per minute.
Answers: 2
Mathematics, 21.06.2019 18:00, bvaughn6477
Clara schumann is buying bagels for her coworkers, she buys a dozen bagels priced at $5.49 a dozen. the bakery's cost for making the bagels is $2.25 per dozen. what is the markup rate based on selling price on a dozen bagels?
Answers: 1
Mathematics, 22.06.2019 00:30, steviedude316
Round each of the decimals to the nearest hundredth a. 0.596 b. 4.245 c. 53.6843 d. 17.999
Answers: 2
An educational psychologist wishes to know the mean number of words a third grader can read per minu...
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