Given the box plot:
8
Create an equation for the following table of values:
x|y
22| 120
25 |137
28 |133
27|145
y=2.93x+59.1
Given a standard die, determine the probability for the following events when rolling the die one time:
P(5)
1/6
You want to roll and even number on the first roll and then a 6 on the next roll. What is the probability this will happen?
1/12
Examine box plot:
Which of these intervals contains exactly 50% of the data?
a). 6-9. b) 9-14. c). 6-14 d) 6-17
C
Using this equation: y=2.57x+15 where x represent total hours worked and y represents total money earned, how much money did you make if you worked 8 and a half hours?
$36.85
There are 4 blue marbles, 5 red marbles, 1 green marble, and 2 black marbles in a bag. Suppose you select one marble at random.
P(black)
1/12
You pick from a bag of marbles that has 10 red, 7 blue, and 3 green. You pick a marble and then replace it. What is the probability that you will pick a red marble and then a green marble?
3/40
What is the mean of 23, 45, 67, 34, 54?
44.6
Examine box plot:
What percentage of the data is below the third quartile?
75%
Using this equation: y=2.57x+15 where x represent total hours worked and y represents total money earned, how many hours did you work if you brought home $144.50?
About 50.39 hours
10 out of 50 students plan to go to college. How many students will go to college out of the 343 students in the grade?
About 68 people
You pick from a bag of marbles that has 10 red, 7 blue, and 3 green. You pick a marble and then you keep it. What is the probability that you will pick a red marble and then a red marble?
9/38
What is the median of the following data set? 14, 19, 14, 21, 20, 17, 18, 19
18.5
.
What is the interquartile range?
8-4=4
If you have the equation y=7.89x+50 where x represents the hrs worked and y represents the total money, explain what the slope means in context to the problem.
The slope means you make $7.89 per hour
5 out of 75 lights are defective. Out of 1200, how many lights work?
1120 lights work
You have a four questions multiple choice test. What is the probability that you get the first two questions correct and the last two questions wrong?
9/256
You want a test average grade of a 92. You have had three tests and only have one more test. Your past three test scores have been an 82, 95, and a 92. What do you need on your 4th test score to get the average you want?
You need a 99%
20 people were surveyed about how many tvs they have and the box plot was created above. How many have people have between 1 and 4 tvs?
25% so 5 students
If you have the equation y=7.89x+50 where x represents the hrs worked and y represents the total money, explain what the y intercept means in context to the problem.
The y intercept means you make $50 working 0 hours.
If I surveyed 500 new students, how many would like the blue m&m's?
About 90 people
You have a 5 question true or false test. what is the probability that you get them all correct
1/32