Mathematics, 05.05.2020 07:16 brylove5490
The National Sleep Foundation asked a random sample of 1010 US adults questions about their sleep habits. One of the questions asked about snoring. Of the 995 respondents, 37% of adults reported that they snored at least a few nights a week during the past year. When split into two age categories, 26% of the 184 people under 30 snored, compared with 39% of the 811 in the older group. Could this be considered a significant difference
Answers: 1
Mathematics, 21.06.2019 19:30, chellybean
If (17, 4) is an ordered pair of the inverse of f(x), which of the following is an ordered pair of the function f(x)? a. (17,4) b. (4.17) c. (4,0) d. 0,17)
Answers: 2
Mathematics, 21.06.2019 21:40, salinasroel22
In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.
Answers: 3
Mathematics, 22.06.2019 00:10, iwannabewinston
Which of the following expressions cannot be simplified to x – 2?
Answers: 1
The National Sleep Foundation asked a random sample of 1010 US adults questions about their sleep ha...
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