If a student is chosen at random from this group, which is the probability that a senior will be chosen?look at the picture to show the chart. A. 0.19
B. 0.20
C. 0.25
D. 0.30
E. 0.102

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.

Given a normal distribution with µ=20 and σ = 4, what is the probability that x> 24 x< 24 x< 24 or x> 24