A corporation must appoint a planning committee with five different members. There are 13 qualified candidates, and officers can also serve on the committee. b. How many different ways can the committee be appointed?
There are
different ways to appoint the committee.
c. What is the probability of randomly selecting the committee members and getting the five youngest of the qualified candidates?
P(getting the five youngest of the qualified candidates) =

15 point ! ~ see if you know the answer to both you!

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true