Use the given data to find the 95% confidence interval estimate of the population mean μμ. Assume that the population has a normal distribution. IQ scores of professional athletes:Sample size n=15Mean x⎯⎯⎯=104Standard deviation s=12<μ<<μ

The two-way table shows the number of people whose hobbies are reading or solving puzzles and who either ride a motorcycle or don’t ride a motorcycle. among people whose hobby is reading, what is the relative frequency of not riding a motorcycle? express your answer as a decimal, and round it to the nearest hundredth if necessary. enter your answer in the box. reading solving puzzles ride a motorcycle 7 3 don't ride a motorcycle 5 9

Which of the functions graphed below has a removable discontinuity?

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