Mathematics, 07.06.2021 08:20 GLASGOWANASTASIA
In a sample of 400 students, 60% of them prefer eBooks.
A. Find 98% Confidence Interval for the proportion of all students that prefer ebooksb.
b. Find the margin of erro
Answers: 3
Mathematics, 21.06.2019 14:10
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Mathematics, 21.06.2019 23:30
Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?
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Mathematics, 22.06.2019 01:00
Exclude leap years from the following calculations. (a) compute the probability that a randomly selected person does not have a birthday on october 4. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability that a randomly selected person does not have a birthday on the 1st day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability that a randomly selected person does not have a birthday on the 30th day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (d) compute the probability that a randomly selected person was not born in january. (type an integer or a decimal rounded to three decimal places as needed.)
Answers: 1
In a sample of 400 students, 60% of them prefer eBooks.
A. Find 98% Confidence Interval for the pro...
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