The probability that a 20-year-old female will survive the next year is 0.999544. An insurance company takes a random sample of 50 females who are 20 years old. Let X be the number of people in the sample who are still alive 1 year later.

a. Find the probability that exactly 49 survive.
b. Find the probability that the number who survive is between 40 and 48, inclusive.
c. Find the probability that at least one person will not survive.
d. Find the expected number who will survive.

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck