STATISTICS STA 2023 QUIZ 3
QUESTION 1
Find the indicated probability.
A die with 6 sides is rolled. What is the probability of rolling a number less
... [Show More] than
5?
4
2/3
1/6
5/6
QUESTION 2
From the information provided, create the sample space of possible outcomes.
Two white mice mate. The male has both a white and a black fur-color gene.
The female has only white fur-color genes. The fur color of the offspring
depends on the pairs of fur-color genes that they receive. Assume that neither
the white nor the black gene dominates. List the possible outcomes.
WB, BW
WW, BB
WW, WW
WW, BW
QUESTION 3
Find the indicated probability.
If you pick a card at random from a well shuffled deck, what is the probability
that you get a face card or a spade?
25/52
9/26
11/26
1/22
QUESTION 4
Find the indicated probability. Round to the nearest thousandth.
In a batch of 8,000 clock radios 5% are defective. A sample of 14 clock radios
is randomly selected without replacement from the 8,000 and tested. The entire
batch will be rejected if at least one of those tested is defective. What is the
probability that the entire batch will be rejected?
5 points
5 points
5 points
0.0714
0.512
0.488
0.0500
QUESTION 5
Evaluate the expression.
34
210
5040
6
QUESTION 6
Solve the problem.
There are 6 members on a board of directors. If they must elect a chairperson, a
secretary, and a treasurer, how many different slates of candidates are possible?
20
720
120
216
QUESTION 7
Find the mean of the given probability distribution.
The number of golf balls ordered by customers of a pro shop has the following
5 points
probability distribution.
6.99
7.86
9
9.66
QUESTION 8
Assume that a researcher randomly selects 14 newborn babies and counts the
number of girls selected, x. The probabilities corresponding to the 14 possible
values of x are summarized in the given table. Answer the question using the
table.
Find the probability of selecting 9 or more girls.
5 points
5 points
5 points
0.001
0.212
0.122
0.061
QUESTION 9
Provide an appropriate response.
A 28-year-old man pays $165 for a one [Show Less]