Auniversity claims that 80% of its basketball players get degrees. an investigation examines the fate of all 20 players who entered the program over a period of several years that ended six years ago. of these players, 11 graduated and the remaining 9 are no longer in school. if the university's claim is true, the number of players among the 20 who graduated should have the binomial distribution with n = 20 and p = 0.8. use the binomial probability formula to answer the question, what is the probability that not all of the 20 graduate?

1. what is the measure of ∠abc? what is the measure of ∠abd?

As part of an annual fundraiser to raise money for diabetes research, diane joined a bikeathon. the track she biked on was 1,920 yards long. diane biked 38.5 laps. her sponsors agreed to donate an amount of money for each mile she biked. how many miles did she bike? first fill in the blanks on the left side using the ratios shown. then write your answer. given ratios: 5280ft / 1 mi , 1 mi /5280 ft , 1,920 yards / 1 lap , 1 lap / 1,920 yards , 3 ft / 1 yard , 1 yard / 3 ft. blanks: 38.5 laps / 1 yard x (blank) x (blank) x (blank) = (blank) miles i'm really confused on how to do this, and the explanations aren't exactly . if you could walk me through how to do this, it would be greatly appreciated.

Solve the equation below: (x+4)/6x=1/x a. x=2 b. x=0,2 c. x=-2 d. x=0,-2