Suppose 40% of high schoolers say they play football. A random sample of 8 high school students is selected. What is the probability that exactly 2 of the 8 say they play football? A) .2090 b) .3154 c) .8936 d).6846

67% of LaGuardia students are female. A random sample of 6 students is to be selected. Let the random variable X be the number of female students in a sample.     a. What is the probability that out of 6 randomly selected students at most 2 are male?   b. Find the average number of female students per sample if a large number of random samples of 20 students were selected.

jar Men Women Вoys Girls Total Survived 343 369 36 37 785 Died 1459 154 38 39 1690 Total 1802 523 74 76 2475 1. Find the probability that a randomly selected Runtanic passenger was not a boy. 2. Find the probability that a randomly selected Runtanic passenger was a boy, given that the passenger died. 3. Find the probability that a randomly selected Runtanic passenger survived, given that the passenger was a woman.