I need help ASAP i am doubting

Question 13 4 pts If the heights of women are normally distributed with a mean of 64 inches and a standard deviation of 1 inch. Then which of the following is the highest? The probability of randomly choosing O one women and finding her height is between 63 and 65 inches. O 4 women and finding that their mean height is between 63 and 65 inches. O all of the options have the same probability O 9 women and finding that their mean height is between 63 and 65 inches. Question 14 4 pts Which of the following is an biased estimator? O standard deviation O variance O proportion O meanQuestion 15 4 pts If you got a 79 on a test in a class with a mean score of 85 and a standard deviation of 4.8, then what is the z-score of your test score? 0 2.50 O 1.25 O -1.25 o -2.50 Question 16 4 pts The amount of snowfall falling in a certain mountain range is normally distributed with a mean of 94 inches, and a standard deviation of 14 inches. What is the probability that the mean annual snowfall during 49 randomly picked years will exceed 96.8 inches? 0 0.5808 0 0.4207 0 0.0808 0 0.0026 Question 17 4 pts The amount of snowfall falling in a certain mountain range is normally distributed with a mean of 94 inches, and a standard deviation of 14 inches. What is the probability that a randomly picked year will exceed 96.8 inches? 0 0.5808 0 0.0026 0 0.4207 0 0.0808 Question 18 4 pts Scores on a test are normally distributed with a mean of 70 and a standard deviation of 11.5. Find the score that separates the bottom 81% from the top 19%. O 0.291 O 73.3 o 0.88 o 80.1