25. The government of Monroe County, New York, reports to a local newspaperan overall conviction rate for DWI cases of 73 percent, one of the highest inNew York. A reporter suspects the rate is lower and obtains a random sampleof 211 DWI cases of which 140 ended in convictions. He performs ahypothesis test and rejects his null hypothesis. Identify the true statement.A. There is statistically significant evidence that the conviction rate is 73%.B. The sample statistic is likely to occur due to sampling variation.C. No samples of 211 DWI cases will have 140 convictions.D. It was found that the probability of obtaining a statistic as least thisextreme is very small, assuming there has been no change in the DWIconviction rate.There are 5 different burgers and 8 different milkshakes on a menu. Howmany ways can you order one burger OR one milkshake?A. 13B. 40C. 3D. 1AAA reported in its "2010 Traffic Safety Culture Index" that 24 percent ofpeople said that they read or sent text messages or e-mails while driving inthe previous month. What is the probability that at least 15 of 50 driversdrive and text?A. 0.072B. 0.1603C. 0.0016D. 0.9934
25. The government of Monroe County, New York, reports to a local newspaper
an overall conviction rate for DWI cases of 73 percent, one of the highest in
New York. A reporter suspects the rate is lower and obtains a random sample
of 211 DWI cases of which 140 ended in convictions. He performs a
hypothesis test and rejects his null hypothesis. Identify the true statement.
A. There is statistically significant evidence that the conviction rate is 73%.
B. The sample statistic is likely to occur due to sampling variation.
C. No samples of 211 DWI cases will have 140 convictions.
D. It was found that the probability of obtaining a statistic as least this
extreme is very small, assuming there has been no change in the DWI
conviction rate.
There are 5 different burgers and 8 different milkshakes on a menu. How
many ways can you order one burger OR one milkshake?
A. 13
B. 40
C. 3
D. 1
AAA reported in its "2010 Traffic Safety Culture Index" that 24 percent of
people said that they read or sent text messages or e-mails while driving in
the previous month. What is the probability that at least 15 of 50 drivers
drive and text?
A. 0.072
B. 0.1603
C. 0.0016
D. 0.9934
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