Mathematics, 10.06.2020 21:57 bellavelasco
Determine whether the results appear to have statistical significance, and also determine whether the results appear to have practical significance. In a study of a gender selection method used to increase the likelihood of a baby being born a girl, 1936 users of the method gave birth to 950 boys and 986 girls. There is about a 21% chance of getting that many girls if the method had no effect.
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Mathematics, 21.06.2019 18:30
How to use order of operation in 20 divide by 4 multiply 5 = 1
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Mathematics, 21.06.2019 20:30
Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.
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Mathematics, 21.06.2019 21:40
The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?
Answers: 2
Determine whether the results appear to have statistical significance, and also determine whether th...
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