Question: When 346 college students are randomly selected and surveyed, it is found that 121 own a car. a. Construct a 98% confidence interval for the
When 346 college students are randomly selected and surveyed, it is found that 121 own a car. a. Construct a 98% confidence interval for the percentage of all college students who own a car. Do not make these calculations by hand. Instead, use the proper command in your graphing calculator. Write out what you entered in your calculator. (3 points) b. Interpret your interval above in the context of this problem. (2 points) c. If we decrease the level of confidence to 90%, will the interval be wider or narrower? Do not compute the interval. (1 point)
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