Stats Check-In's: 4.1- 4.5 UPDATED
ACTUAL Questions and CORRECT
Answers
Box A contains the numbers 1, 2, 3, and 4. Box B contains the numbers 5, 6, 7, and 8. A
number is first drawn from Box A and then another number from Box B. Using the figure
below, how many outcomes are possible if both numbers are even? - CORRECT ANSWER-
✔✔4
There are 27,842 undergraduate students enrolled at a certain university. The age distribution
as follows:
Age Range: 13-14, 15-17, 18-22, 23-30, 31 and up.
Number: 2, 49, 11563, 9568, 6660.
Total 27,842
What is the probability that a student is between 23 and 30 years old? - CORRECT
ANSWER- ✔✔0.344
For this year's mayoral election, voter dissatisfaction is very high. In a survey of 500 likely
voters, 240 said they planned to write in an independent candidate rather than vote for the
Democrat or Republican candidate for mayor.
Estimate the percentage of voters who plan to write in an independent candidate? -
CORRECT ANSWER- ✔✔48%
The staff at a small company includes: 4 secretaries, 20 technicians, 4 engineers, 2
executives, and 50 factory workers. If a person is selected at random, what is the probability
that he or she is a factory worker? - CORRECT ANSWER- ✔✔5/8
A section of an exam contains two multiple-choice questions, each with three answer choices
(listed "A", "B", and "C"). Assuming the outcomes to be equally likely, find the probability
(as a reduced fraction) that neither of the answers is "B". [Hint: List all the outcomes of the
sample space first.] - CORRECT ANSWER- ✔✔4/9
, At a certain college, there were 700 science majors, 300 engineering majors, and 500
business majors. If one student was selected at random, the probability that the student is an
engineering major is - CORRECT ANSWER- ✔✔1/5
A single card is drawn from a deck. Find the probability of selecting a heart or a 8. -
CORRECT ANSWER- ✔✔4/13
An apartment building has the following distribution of apartments:
1st floor: 3 (1BR), 1 (2BR), 1 (3BR)
2nd floor: 1 (1BR), 3 (2BR), 2 (3BR).
3rd floor: 1 (1BR), 4 (2BR), 1 (3BR)
If an apartment is selected at random, what is the probability that it is on the 2nd floor
or has 2 bedrooms? - CORRECT ANSWER- ✔✔11/17
The Statistics Club at Woodvale College sold college T-shirts as a fundraiser. The results of
the sale are shown below. Choose one student at random. Find the probability that the student
sold 11-15 T-shirts or less than 6 T-shirts.
No. of T-shirts: 0, 1-5, 6-10, 11-15, 16-20, 20+.
No. of Club Members: 2, 13, 10, 6, 5, 2 - CORRECT ANSWER- ✔✔0.5526
On a certain day, a cheese packaging facility packaged 500 units of mozzarella cheese. Some
these packages had major flaws, some had minor flaws, and some had both major and minor
flaws. The following table presents the results.
Major Flaw: 16 (Minor Flaw), 29 (No Minor Flaw)
No Minor Flaw: 60 (Minor Flaw), 395 (No Minor Flaw)
