A class of 37 is to be divided into teams, and each student in the class must be a member of exactly one team. However, each student dislikes three of their classmates. The dislike between students need not be mutual. How many teams must be created so that no student is the teammate of someone they dislike?

step-by-step explanation:

mean or average is 40.6

answer:

125 yards

explanation:

75+50=125. that is my answer

85.560%

step-by-step explanation:

conditional probability is defined as:

p(a|b) = p(a∩b) / p(b)

in other words, the probability that a occurs, given that b has occurred = the probability that both a and b occur / the probability that b occurs.

in this example:

p(turns 64 | turns 44) = p(turns 64 & turns 44) / p(turns 44).

if someone turns 64, they must have already turned 44, so:

p(turns 64 | turns 44) = p(turns 64) / p(turns 44)

on page 42, we see that of the original 100,000, 94944 turn 44, and 81234 turn 64.   therefore:

p(turns 64 | turns 44) = 81234 / 94944

p(turns 64 | turns 44) = 0.85560