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Statistics
Mixed Questions
Probability
Subbing In
Solve for x
100

if you survey the entire school you are surveying the entire school .......

population

100
Joe has collected data on the heights of people in his class. What type of data has been collected

Numerical, continuous

100
What is the probability of getting a 5 of hearts in a deck of cards

1/52

100

if x = -5 and y = 7 calculate 2x +3y

ans:11

100

X + 4 = 7

x = 3
200

what is the median of this data set: 10, 2, 4, 5, 6, 7, 9, 3, 5 

median = 5

200

an item cost 250 euro before vat of 23%. What is the final cost of the item when vat is added. 

307.50

200

A dice was thrown 10 times the results were, 1,2,6,2,3,5,4,3,2,1. What is the experimental probability of a 1.

2/10 or 1/5

200

if x = -3 and y = -6 calculate x2  + y2 -5

x = 40
200

5(x + 4) = 25

x = 1

300

what is the mean of the following data set: 2, 3, 4, 5, 6, 7

mean = 4.5

300

what is 10 percent of 300 plus 5 percent of 20 plus 1 percent of 90

30 + 1 + 9 = 40

300

A survey was conducted and it found that 0.25 percent of students drove to school, 0.6 cycled. The rest walked. what is the probability that a student walked?

0.15

300

x = -2 y = -3 z = 8

calculate x2 - y - 2(z)

x = -9

300

2(x -2) = 16

x = 10

400

the following values have a mean of 4: 2, 3, x, 6. what is the missing value

missing value is 5

400
What is 3.14526 correct to one significant figure

3

400

the probability of the bus being late is 0.35. What is the probability that the bus will be on time.

0.65

400

x = -2 y = -3 z = 8

calculate y - y -2(x) + z

x = 12

400

-2x + 7 -3x = x - 5


4

500

the following values have a mean of 6. what is the missing value : 2, 5, 6, 11, 3

missing value = 9

500

75636.54 to two significant figures is 

76000

500
the probability of winning a match is 0.6. What is the probability over 3 matches that the result is Win, Win, Lose

0.6 * 0.6 * 0.4 = 0.144

500

x = -2 y = -11 z = 5

calculate x2 - y - 3(z)

x = 0

500

5(2x + 3) = 3(x +1)

x = 2