Mathematics, 07.05.2021 09:40 ramosramos142
2. A poll asks a random sample of 500 parents whether they prefer traditional public schools or
charter schools for their children. Suppose that 30% of parents in the population prefer charter
schools.
a) What is the mean of the sampling distribution of p, the proportion of adults in the
samples of 500 who prefer charter schools?
b) What is the standard deviation of p?
c) What is the probability that more than 35% of the sample are in favor of charter schools?
Answers: 1
Mathematics, 21.06.2019 15:00, m4167281
Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?
Answers: 1
Mathematics, 21.06.2019 21:00, annikafischer
Askateboard ramp is in the shape of a right triangle what is the height of the ramp
Answers: 3
2. A poll asks a random sample of 500 parents whether they prefer traditional public schools or
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