4.04 Unit Test : Probintro

There are six open containers arranged as shown. A ball is tossed and falls into one of the containers. Find P (number greater than 4)

1/3

If we toss a pair of dice, what is the probability that a sum of 7 will appear?

1/6

If we toss one die, what is the probability of getting a 4?

1/6

There are six numbers on a normal dice. What is the probability that you roll a 6?

1/6

If we toss 3 coins, what is the probability that no tail will appear?

1/8

We toss three coins. What is the probability of the event "3 heads appear" ?

1/8

There are two types of ice cream cones - strawberry and peach. You and 24 of your closest friends are going to buy ice cream cones. If 15 people buy strawberry cones and 20 people buy peach cones, how many people bought both strawberry and peach cones?

10 people

A math teacher gave her class two tests. Twenty-five percent of the class passed both tests and 42 percent of the class passed the first test. What percent of those who passed the first test also passed the second test?

10.5%

A football player ran the ball for 40 yards, 45 yards, 48 yards, 52 yards, and 105 yards. What is the outlier?

105 yards

What is the mode for this set of data? 10, 11, 12, 12, 15, 19, 20, 21, 22

12

What is the mode of this set of data? 10, 11, 11, 12, 12, 12, 15, 15, 19, 20, 21, 22, 22

12

What is the median of this set of data? 10, 11, 12, 12, 15, 19, 20, 21, 22

15

A card is drawn at random from the cards shown below. Find the probability of drawing M

2/11

The manager posted this graph to show the number of vehicles leased. How many Vans were leased?

20

What is the median number of cars sold this month?

20

What is the mode for the month?

20

What is the mean number of cars sold this month?

20.4

In a deck of 52 playing cards, there are 13 different cards in the deck that are hearts. What is the probability that if you cut the deck, you'll get a heart?

25%

We preform the experiment "toss two dice". What is the probability of the event, "no 3 appears on either face" ?

25/36

If we toss 3 coins, what is the probability that exactly 1 tail will appear?

3/8

A student had the following scores on quizzes : 26, 28, 34, and 37. What score would be needed on one additional quiz for this student to have a mean of 31?

30

We toss 3 coins 100,000 times. How many times do we expect to see "exactly 1 head" appearing?

37,500

A random sample of 150 people are asked if they like liver and onions, and 57 of them say yes. What would you estimate the percentage of liver lovers are in this population?

38%

We preform the experiment "Toss two dice". What is the probability of the event, "The sum of the face equals 5" ?

4/36

If we toss two dice, what is the probability of the sum of the faces equaling 6?

5/36

How many more SUV's were leased than 2 Door Sedans?

55

A student quizzes with scores of 98%, 95%, 90%, 88%, and 65%. What is the outlier?

65%

A pair of dice is rolled ten times with the sums 4, 5, 7, 7, 7, 8, 8, 9, 10, 12. What is the median?

7.5

A pair of dice is rolled ten times with the sums 4, 5, 7, 7, 7, 8, 8, 9, 10, 12. What is the mean?

7.7

If you toss 2 dice 10,000 times, how many times would you expect that "the sum of the faces equals 4" happens?

833

What is the mean for this set of data? 78, 79, 80, 80, 89, 89, 92, 93, 94, 95, 95, 95

88.3

There are six numbers on a normal dice. What is the probability that you roll a five or a six?

1/3

The high temperature in Fairbanks, Alaska was measured during a one-week experiment. The high temperatures recorded include 4, 2, 3, 0, -5, -10, and -15. What is the mean of the recorded high temperatures?

-3

There are 6 numbers on a normal dice. What is the probability that if you roll the dice, you'll get the number 100?

0

In a deck of 52 playing cards, there are 4 fives and 4 sixes. What is the probability that if you cut the deck, you'll get a five or a six?

0.15

The probability that it is Friday and that a student is absent is 0.03. Since there are 5 school days in a week, the probability that it is Friday is 0.2. What is the probability that a student is absent given that today is Friday?

0.15

Find the probability that a customer will choose a black car

0.31

If we draw a card from a deck of 52 playing cards, what is the probability that it is a queen?

1/13

In a deck of 52 playing cards, there are 4 aces. What is the probability that if you cut the deck, you'll get an ace?

1/13

If we toss one coin, what is the probability of getting heads?

1/2

If the table below represents the number of cars sold in September, who sold the least?

Randy

If we toss one die 100 times, how many times would we expect to get a 5?

about 168

We toss two dice 1,000 times. How many times do we expect to have the sum of the two dice equal to 4?

about 83

Which type of sampling is the most reliable?

convience sampling

Is this statement true or false? If we toss a coin 100 times, then heads will necessarily appear exactly 50 times

false

Is this statement true or false? We preform the experiment "Toss three coins". Then the events "No heads appear" and "Exactly 1 head appears" are equally likely

false

The average height of a second grader is 40 inches. One student has a height of 52 inches. What will happen to the average height if the 52 inch tall student is not included?

the average will decrease

What does it mean when a data set contains an outlier?

the data contains an unusual and inconsistent amount

Is this statement true or false? If we toss a coin 100 times, then we expect that heads will appear 50 times

true

Is this statement true or false? Three coins are tossed during an experiment. It is equally as likely that no heads will appear as it is that exactly one head will appear

true