Determine whether the underlined value is a parameter or a statistie. In a national survey on substance abuse, 66.4% of respondents who were full-time college students aged 18 to 22 reported using alcohol within the past month Is the value a parameter or a statistic? O A. The value in a statistic because the respondents who were full-time college students aged 18 to 22 are a sample B. The value is a parameter because the respondents who were fub-time college students aged 18 to 22 are a population O C. The value is a statistic because the respondents who were full-time college students aged 18 to 22 are a population OD. The value is a parameter because the respondents who were full-time college students aged 18 to 22 are a sample. Tum
A television sports commentator wants to estimate the proportion of citizens who follow professional football. Complete parts () through (e). Click here to view the standard normal distribution tablet (9.1). Cok here to view the standart normal distribution table (page 2) (a) What sample size should be obtained if he wants to be within 2 percentage points with 94% confidence the use an estimate of 62% obtained from a pot? The sample size is (Round up to the nearest integer) (b) What sample size should be obtained if he wants to be within 2 percentage points with 99% confidence it he does not use any prior estimates? The sample size is (Round up to the nearest integer) (e) Why are the results from parts (a) and (b) so close? DA The results are close because the margin of error 2% is less than 5% . The results are close because 0.52(1-052) - 0.2495 is very close to 0.25 C. The results are close because the confidence 94% is close to 100% Tim
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Determine whether the underlined value is a parameter or a statistie. In a national survey on substance abuse, 66.4% of
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Determine whether the underlined value is a parameter or a statistie. In a national survey on substance abuse, 66.4% of
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