Mathematics, 20.12.2019 23:31 aduncan3426
In a given year, the rate of flu infection for the general public was 8.3%. in sample of 200 people who received the flu vaccine, the rate of flu infection was just 3.5%. what conclusion should you draw?
a. do not reject the null hypothesis; flu rates for vaccinated people are not lower
b. reject the null hypothesis; flu rates for vaccinated people are lower
c. do not reject the null hypothesis; flu rates for vaccinated people are lower
d. reject the null hypothesis; flu rates for vaccinated people are not lower
Answers: 2
Mathematics, 21.06.2019 16:10
The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.
Answers: 1
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Bc and bd are opposite rays. all of the following are true except a)a,b,c,d are collinear b)a,b,c,d are coplanar c)bc=bd d)b is between c and d
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Determine which solution is correct for solving 5/7y=6 reciprocals.
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Mathematics, 22.06.2019 05:30
14. a family spends 1⁄10 of its annual income for housing, 1⁄4 for food and clothing, 1⁄5 for general expenses, and 2⁄15 for entertainment. what fractional part of their income is spent on these items altogether? a. 11⁄12 b. 41⁄60 c. 6⁄41 d. 1⁄7
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In a given year, the rate of flu infection for the general public was 8.3%. in sample of 200 people...
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