Mathematics, 27.06.2019 20:40 andrewgainey1986
An educational psychologist wishes to know the mean number of words a third grader can read per minute. she wants to ensure that the estimate has an error of at most 0.19 words per minute. a previous study found that the mean was 40.5 words per minute. assuming that the standard deviation is 4.3, what is the minimum number of third graders that must be included in a sample to construct the 80% confidence interval? round your answer up to the next integer.
Answers: 2
Mathematics, 21.06.2019 13:40
What is the correlation coefficient for the data? don't forget to turn the diagnoisticon (in the catalog menu of the calculator). r = answer (round to the nearest thousandth)
Answers: 1
Mathematics, 21.06.2019 17:00
100 points, hi, i’m not sure how to get the equation from the graph and table.
Answers: 2
Mathematics, 21.06.2019 20:30
Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?
Answers: 1
Mathematics, 21.06.2019 22:00
What is the solution to the system of equation graphed belowa.(0,-4)b.(2,5),1),-3)
Answers: 3
An educational psychologist wishes to know the mean number of words a third grader can read per minu...
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