A recent article in the paper claims that government ethics are at an all-time low. Reporting on a recent sample, the paper claims that 45 of all constituents believe their representative possesses low ethical standards.
Suppose 20 of a representatives constituents are randomly and independently sampled. Assuming the papers claim is correct, find the probability that more than eight but fewer than 12 of the 20 constituents sampled believe their representative possesses low ethical standards. A) 0.454929 B) 0.295579 C) 0.689728 D) 0.889609
Q. 2Suppose a brewery has a filling machine that fills 12 ounce bottles of beer. It is known that the amount of beer poured by this filling machine follows a normal distribution with a mean of 13.14 onces and a standard deviation of 0.04 ounce.
Find the probability that the bottle contains more than 13.14 ounces of beer. A) 0.5 B) 1 C) 0 D) 0.4
Q. 3True or False: Observational studies are not as useful as experiments to learn about the characteristics of a population.
A) False B) True
Q. 4In a sample, 76 people or 38 of the people in the sample said that the mayor should be prosecuted for misconduct. How many people where in the sample?
A) 200 B) 29 C) 105 D) 50
Q. 5Classify the statement as an example of classical probability, empirical probability, or subjective probability. The probability that a newborn kitten is a male is 1 2 .
A) classical probability B) empirical probability C) subjective probability
Q. 6A recent article in the paper claims that government ethics are at an all-time low. Reporting on a recent sample, the paper claims that 38 of all constituents believe their representative possesses low ethical standards.
Assume that responses were randomly and independently collected. A representative of a district with 1,000 people does not believe the papers claim applies to her. If the claim is true, how many of the representatives constituents believe the representative possesses low ethical standards? A) 380 B) 38 C) 620 D) 962
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