The time that an Olympic skier takes on a downhill course has a normal distribution with a mean of 85.5 seconds and standard deviation of 0.8 seconds. The probability that on a random run the skier takes between 85.1 and 85.9 seconds is: A. 0.1915B. 0.3085C. 0.3830D. 0.6170E. 0.6826

The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

Which of the following is an example of conditional probability