An institute reported that 61% of its members indicate that lack of ethical culture within financial firms has contributed most to the lack of trust in the financial industry. Suppose that you select a sample of 100 institute members. Complete parts (a) through (d) below.
b) The probability is 91% that the sample percentage will be contained within what symmetrical limits of the population percentage?
The probability is 91% that the sample percentage will be contained above ..... % and below ...... %
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