Probability and statistics

Question 1

If the probability of having a baby boy is 7/14, what's the probability of having a girl?

Accepted Answer

50%

Question 2

Find the median of these numbers: 24, 17, 28, 23, 27, 23, 26

Accepted Answer

24

Question 3

If you roll a dice 600 times, how many times SHOULD you roll a 3 or 6?

Accepted Answer

200 times

Question 4

Find the range of these numbers: 45, 48, 28, 50 ,27

Accepted Answer

22

Question 5

How do you find the mean of a group of numbers?

Accepted Answer

You + all of them together then divide by how many there are

Question 6

What's the probability of the spinner landing on green?

Accepted Answer

25%

Question 7

How do you find the mode of a group of numbers?

Accepted Answer

You find which number occurs most often

Question 8

What is the correct assumption of what you would get if you spun this spinner?

Accepted Answer

Blue- likely, Yellow-unlikely, Green- impossible

Question 9

What is the definition of theoretical probability?

Accepted Answer

What should happen - based on uniform probability.

Question 10

Find the median of these numbers: 12, 15, 16, 13, 19

Accepted Answer

15

Question 11

What is the definition of experimental probability?

Accepted Answer

What actually occurs - based on relative frequency

Question 12

Find the median of these numbers: 48, 56, 38, 44, 63, 39

Accepted Answer

46

Question 13

Find the median of these numbers: 77, 89, 67, 80, 90, 78

Accepted Answer

79

Question 14

How do you find the range of a group of numbers?

Accepted Answer

You order them from least to most, and - least from greatest

Question 15

Find the range of these numbers: 58, 38, 38, 20, 47, 39

Accepted Answer

38

Question 16

Find the mode of these numbers: 35, 78, 12, 35, 67, 23

Accepted Answer

35

Question 17

There are 10 cards numbered 1-10. What is the probability that you'll get an even number?

Accepted Answer

50%

Question 18

How do you find the median of a group of numbers?

Accepted Answer

You order them least to most & find which one's the middle

Question 19

Find the mean of these numbers: 96, 67, 84, 77, 79, 92

Accepted Answer

82.5

Question 20

Find the mean of these numbers: 12, 14, 9, 16, 22, 13, 16, 14

Accepted Answer

14.5

Question 21

Theor.prob. of landing heads=5/10. A coin is tossed 30 times, how much should it land on heads?

Accepted Answer

15 times

Question 22

Find the mode of these numbers: 23, 67, 98, 68, 23, 67, 23

Accepted Answer

23

Question 23

Find the mean of these numbers: 56, 45, 34, 44

Accepted Answer

44.75

Question 24

Find the mode of these numbers: 12, 14, 17, 12, 17, 15

Accepted Answer

12, 17

Question 25

What are the two types of probabilities?

Accepted Answer

Theoretical and Experimental

Question 26

If a coin is tossed 90 times, how many times SHOULD it land on heads?

Accepted Answer

45 times

Question 27

A spinner is flicked 12 times. How many times SHOULD it land on a warm color?

Accepted Answer

6 times

Question 28

Find the range of these numbers: 48, 28, 30, 50, 16, 59, 47

Accepted Answer

43

Question 29

The spinner is spun 24 times, how many times should it land on a color OTHER than blue?

Accepted Answer

16 times

Question 30

A dice is rolled 18 times. How many times should an even number have been rolled?

Accepted Answer

9 times

Question 31

A random kitten is picked up from the bunch. What is the probability it will be grey?

Accepted Answer

60%

Question 32

A random flower is picked, what is the probability it will be a warm colored flower?

Accepted Answer

75%

Question 33

One puppy from the litter is picked. What's the correct theor. probability that it'll be brown?

Accepted Answer

2/5, 40%

Question 34

A heart is randomly chosen 6/12 times. Find the correct exp. and theo. probability.

Accepted Answer

Experimental: 1/2 Theoretical: 1/4

Question 35

What's the theoretical probability of a duck with mainly black fuzz being picked up?

Accepted Answer

40%

Question 36

What is the probability of someone randomly picking a coke out of these sodas?

Accepted Answer

1/6

Question 37

What is the definition of statistics?

Accepted Answer

The branch of mathematics dealing with numerical data

Question 38

The spinner is spun 24 times. How many times SHOULD it land on blue?

Accepted Answer

8 times

Question 39

Find the mean of these numbers: 34, 45, 23, 33, 44

Accepted Answer

35.8

Question 40

Find the mode of these numbers: 24, 52, 85, 16, 54, 23

Accepted Answer

No mode

Probability and statistics

Questions 40

Probability and statistics

Questions 40