Mathematics, 28.06.2019 22:00, bowmanari2154
Multiply (5 × 10^4)(7 × 10^3), express in scientific notation. a) 3.5 x 107 b) 3.5 x 108 c) 35 x 107 d) 35 x 108
Answers: 1
Mathematics, 21.06.2019 14:30, chintiffany4779
Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.
Answers: 3
Mathematics, 21.06.2019 19:00, ale1910
Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?
Answers: 3
Multiply (5 × 10^4)(7 × 10^3), express in scientific notation. a) 3.5 x 107 b) 3.5 x 108 c) 35 x 1...
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