Heres question 1
the ocean club collected 24.93 kg of trash on the first weekend of the summer. the club collected 18.3 kg the next weekend. how much more trash was collected the first weekend? give your answer with the appropriate precision.
a. 6.7 kg
b. 6.65 kg
c. 6.63 kg
d. 6.6 kg

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.