Statistics Question

timer Asked: Nov 14th, 2016

Question description

Each student in a class of 3030

was randomly assigned one line of a random number table. Each student then counted the odd-numbered digits in a


line. The even digits are 0, 2, 4, 6 and 8.

a. On average, in the list of 3434

digits, how many odd-numbered digits would each student find?

b. If each student found a 90% confidence interval for the percentage of odd-numbered digits in the entire random number table, how many intervals (out of 3030)

would you expect not to capture the population percentage of 50%?

a. On average each student would find 1717

odd-numbered digits.

b. It is expected that nothing

intervals out of


will not capture 50%.

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