Mathematics, 15.11.2019 02:31 Patricia2121
Recycling trash, reducing waste, and reusing materials are eco-actions that will the environment. according to a usa today snapshot, 78% of respondents list recycling as the leading way to our environment. suppose that a random sample of n=100 adults is selected and that the 78% figure is correct. a. does the distribution of p^, the sample proportion of adults who list recycling as the leading way to the environment have an approximate normal distribution? if so, what is its mean and standard deviation? b. what is the probability that the sample proportion p^ is less than 75%? c. what is the probability that p^ lies in the interval .7 to .75? d. what might you conclude about p if the sample proportion were less than .65?
Answers: 2
Mathematics, 21.06.2019 12:30
Last saturday, the museum box office sold 281 tickets for a total of $3,954. adults ticket cost $15, and students ticket cost $12. how many of each kind of tickets were sold?
Answers: 1
Mathematics, 21.06.2019 19:30
[15 points]find the quotient with the restrictions. (x^2 - 2x - 3) (x^2 + 4x + 3) ÷ (x^2 + 2x - 8) (x^2 + 6x + 8)
Answers: 1
Mathematics, 21.06.2019 20:30
Select all expressions that are equivalent to 2(3x + 7y). question 1 options: 6x + 14y 6x + 7y 1(6x + 14y)
Answers: 1
Mathematics, 21.06.2019 21:30
Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis.y = 7ex, y = 7e^-x, x = 1; about the y-axis
Answers: 2
Recycling trash, reducing waste, and reusing materials are eco-actions that will the environment. a...
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