0 Question 6 E 0/1 pt '0 3 6) Details The heights of adult men in America are normally distributed, with a mean of 69.5 inches and a standard deviation of 2.61 inches. The heights of adult women in America are also normally distributed, but with a mean of 64.8 inches and a standard deviation of 2.54 inches. a) If a man is 6 feet 3 inches tall, what is his z-score (to two decimal places)? b) If a woman is 5 feet 11 inches tall, what is her z-score (to two decimal places)? c) Who is relatively taller? The 6 foot 3 inch American man The 5 foot 11 inch American woman 0 Question 7 E 0/1 pt '0 3 6) Details The graph illustrates the distribution of test scores taken by College Algebra students. The maximum possible score on the test was 130, while the mean score was 79 and the standard deviation was 11. 46 57 68 79 90 101 112 Distribution of Test Scores What is the approximate percentage students who scored between 68 and 90 on the test? % What is the approximate percentage of students who scored between 57 and 101 on the test? % What is the approximate percentage of students who scored lower than 46 on the test? % What is the approximate percentage of students who scored higher than 101 on the test? % 0 Question 8 E 0/1 pt '0 3 6) Details Find z-score such that the area under the standard normal curve to its left is 0.2766 Question Help: E] Video Q Post to forum Submit Question Jump to Answer 0 Question 9 l3 0/1 pt '0 3 G) Details The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 121 millimeters of mercury (mmHg) and standard deviation of 25. Someone qualifies as having Stage 2 high blood pressure if their systolic blood pressure is 160 or higher. Stage 1 high BP is specified as systolic BP between 140 and 160. Give your answers rounded to 4 decimal places. a. What is the probability that an adult in the USA has stage 2 high blood pressure? b. What is the probability that an adult in the USA has stage 1 high blood pressure? c. Your doctor tells you you are in the 30th percentile for blood pressure among US adults. What is your systolic BP? mmHg d. What is the systolic blood pressure that cuts off the top 2.5% of adults in the USA? mmHg