subject
Mathematics, 18.02.2020 18:32 lex1kkkk

The Bradenton Post polled 1,356 adults in the city to determine whether they wet their toothbrush before they put toothpaste on it. Of the respondents, 54% said they wet it first. Suppose 68% of all adults actually wet their toothbrush first. What are the mean and standard deviation of the sampling distribution?

The mean is 0.54 and the standard deviation is 0.0135.
The mean is 0.54 and the standard deviation is 0.0127.
The mean is 0.68 and the standard deviation is 0.0224.
The mean is 0.68 and the standard deviation is 0.0135.
The mean is 0.68 and the standard deviation is 0.0127.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 14:30
What is the distance between (–2 1/2,-3) and (1, –3)?
Answers: 1
question
Mathematics, 21.06.2019 17:30
Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.
Answers: 2
question
Mathematics, 21.06.2019 19:00
What is the expression in factored form? -20x^2 - 12x a. 4x(5x+3) b. -4x(5x-3) c. -4(5x+3) d. -4x(5x+3)
Answers: 2
question
Mathematics, 21.06.2019 20:10
Which ratios are equivalent to 10: 16? check all that apply. 30 to 48 25: 35 8: 32 5 to 15
Answers: 1
You know the right answer?
The Bradenton Post polled 1,356 adults in the city to determine whether they wet their toothbrush be...
Questions
question
Mathematics, 19.12.2020 08:20
question
Mathematics, 19.12.2020 08:20
question
English, 19.12.2020 08:20
question
History, 19.12.2020 08:20
question
English, 19.12.2020 08:20
question
Mathematics, 19.12.2020 08:20
question
Mathematics, 19.12.2020 08:20