Determining sample proportion

Reference no: EM13103665

Suppose that 15% of all adults jog. An opinion poll asks a simple random sample of 500 adults if they jog.

a) What is the sampling proportion in the sample who jog?

b) According to the 68-95-99.7 rule what is the probability that the sample proportion who jog will be 11.8% or greater?

Reference no: EM13103665

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