Seven women are chosen for a group date on The Bachelor. The
pool of women to...
Seven women are chosen for a group date on The Bachelor. The
pool of women to choose from consists of 8 yoga instructors, 9
professional organizers, 10 VIP cocktail waitresses, and 3 aspiring
dolphin trainers. Find the probability that:
(a) 3 yoga instructors, 2 professional organizers, 1 cocktail
waitresses, and 1 aspiring dolphin trainer are chosen;
(b) at least 2 yoga instructors are chosen;
(c) all of the seven women have the same profession;
(d) either exactly 3 yoga instructors...
1.a) Nine men and two women are semifinalists in a lottery. From
this group, seven finalists...
1.a) Nine men and two women are semifinalists in a lottery. From
this group, seven finalists are to be selected by a drawing. What
is the probability that all seven finalists will be men? (Enter
your probability as a fraction.)
b) retailer purchases 240 of a new brand of DVD player, of which
4 are defective. The purchase agreement says that if he tests 5
chosen at random and finds 1 or more defective, he receives all the
DVD players...
20 women and 30 men between 18 to 60 years old and the
number of hours...
20 women and 30 men between 18 to 60 years old and the
number of hours that they work. These information would be your
populations. For each group find the followings:
20 Women Ages = 19, 23, 40, 18, 60, 50, 21, 30, 33, 28,
33, 35, 28, 24, 28, 18, 19, 22, 25, 50
20 women work hours weekly = 40, 24, 30, 31, 19, 10, 21,
5, 40, 9, 8, 40, 37, 12, 20, 40, 20, 10, 40,...
Calculate the probability. Leave all the answers in fraction
with correct probability format.
Not drawing a...
Calculate the probability. Leave all the answers in fraction
with correct probability format.
Not drawing a queen from a standard deck of 52 playing
cards.
Tossing a fair coin 5 times. What is the probability that the
outcome has at least 1 Heads?
A group of 20 people: 2 American men, 4 French men, 6 American
women, and 8 French women. What is the probability that the person
will be either a man or American?
If I roll a 6-sided...
100 people are interviewed, of which 35 are alcoholics, 28 active smokers and 5 have both...
100 people are interviewed, of which 35 are alcoholics, 28 active smokers and 5 have both conditions.
a) Construct a (Venn) diagram illustrating the situation described.
b) If one of these people is selected at random, what is the probability that he has at least one of the conditions?
NOTE: It is necessary to express the probability to be determined in set notation.
Rare Disease. A study that detects a rare disease in men and women lasting one year will...
1.
I am interested in if there is a pay difference between men and
women nurses....
1.
I am interested in if there is a pay difference between men and
women nurses. Based on a study by ucsf male nurses used to make
more. I randomly sample and collect data. Assume you can
pool the variances. What is the p-value based on the following
sample...
Females Males
xbar 44,000 47,000
s 12,000 12,600
n 60 57
What is the p-value?
2.
I am interested in if there is a pay difference between men and
women nurses....