- 1 Pt 91 Details The Average Resting Heart Rate Of A Population Is 89 Beats Per Minute With A Standard Deviation Of 14 B 1 (147.39 KiB) Viewed 73 times
1 pt 91 Details The average resting heart rate of a population is 89 beats per minute, with a standard deviation of 14 bpm. Find the Z-scores that correspond to each of the following heart rates. Round your answers to the nearest hundredth, if necessary. (a) 117 bpm z = (b) 70 bpm Z= Add Work Question 6 1 pt 91 Details 4.39 Weights of pennies: The distribution of weights of United States pennies is approximately normal with a mean of 2.5 grams and a standard deviation of 0.03 grams. (a) What is the probability that a randomly chosen penny weighs less than 2.4 grams? (please round to four decimal places) (b) Describe the sampling distribution of the mean weight of 10 randomly chosen pennies. Mean: grams (please round to one decimal place) Standard Deviation: grams (please round to four decimal places) (c) What is the probability that the mean weight of 10 pennies is less than 2.4 grams? (please round to four decimal places) Add Work