Find the area of the shaded region. The graph depicts the standard normal distribution of bone density scores with mean 0 and standard deviation 1. The area of the shaded region is (Round to four decimal places as needed.) z= -0.99 Q Find the area of the shaded region. The graph depicts the standard normal distribution of bone density scores with mean 0 and standard deviation 1. The area of the shaded region is (Round to four decimal places as needed.) z=-0.84 z 1.27 Q Find the indicated z score. The graph depicts the standard normal distribution of bone density scores with mean 0 and standard deviation 1. The indicated z score is (Round to two decimal places as needed.) 0 Q Q 0.9177 Assume that a randomly selected subject is given a bone density test. Those test scores are normally distributed with a mean of 0 and a standard deviation of 1. Find the probability that a given score is less than -1.67 and draw a sketch of the region. Sketch the region. Choose the correct graph below. A. -1.67 B. -1.67 The probability is (Round to four decimal places as needed.) Q Ly C. D. Q -1.67 1.67 1.67 Assume that a randomly selected subject is given a bone density test. Those test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find the probability of a bone density test score greater than 0.68. Sketch the region. Choose the correct graph below. A. 0.68 B. The probability is (Round to four decimal places as needed.) 0.68 C. D. Q -0.68 -0.68 0.68 Assume that a randomly selected subject is given a bone density test. Those test scores are normally distributed with a mean of 0 and a standard deviation of 1. Find the probability that a given score is between -2.07 and 3.99 and draw a sketch of the region. Sketch the region. Choose the correct graph below. A. B. -2.07 3.99 The probability is (Round to four decimal places as needed.) 2.07 3.99 C. D. -2.07 3.99 LV -2.07 3.99 Assume that a randomly selected subject is given a bone density test. Bone density test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find P16, the 16th percentile. This is the bone density score separating the bottom 16% from the top 84%. C. D. Which graph represents P16? Choose the correct graph below. A. P16 LV B. P16 Ly The bone density score corresponding to P16 is (Round to two decimal places as needed.) P16 A P16 Find the indicated critical value. 20.06 Click to view page 1 of the table. Click to view page 2 of the table. 20.06 (Round to two decimal places as needed.) Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. Click to view page 1 of the table. Click to view page 2 of the table. The area of the shaded region is (Round to four decimal places as needed.) 120 Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. The area of the shaded region is (Round to four decimal places as needed.) 81 Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. Click to view page 1 of the table. Click to view page 2 of the table. The area of the shaded region is (Round to four decimal places as needed.) 90 120 Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. The area of the shaded region is (Round to four decimal places as needed.) 104 132 Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. X The indicated IQ score is (Round to the nearest whole number as needed.) 0.2119 Assume that an adult female is randomly selected. Suppose females have pulse rates that are normally distributed with a mean of 77.0 beats per minute and a standard deviation of 12.5 beats per minute. Find the probability of a pulse rate between 63 beats per minute and 70 beats per minute. (Hint: Draw a graph.) The probability is (Round to four decimal places as needed.) The lengths of pregnancies are normally distributed with a mean of 269 days and a standard deviation of 15 days. a. Find the probability of a pregnancy lasting 309 days or longer. b. If the length of pregnancy is in the lowest 3%, then the baby is premature. Find the length that separates premature babies from those who are not premature. Click to view page 1 of the table. Click to view page 2 of the table.