Probability and Statistics Q
Flashcard
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
Student preview
15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is the probability of event A if P(A) = 1/10?
Back
The probability of event A is 1/10.
2.
FLASHCARD QUESTION
Front
What is the complement of an event A with P(A) = 1/10?
Back
The complement of event A is P(A') = 1 - P(A) = 9/10.
3.
FLASHCARD QUESTION
Front
In a survey, if 62.5% of respondents have portable earbuds and 40% of those have a smart speaker, what is the probability of having both?
Back
P(Both) = P(Earbuds) * P(Smart Speaker | Earbuds) = 0.625 * 0.40 = 0.25.
4.
FLASHCARD QUESTION
Front
What is the probability of selecting a varsity athlete or an honor roll student from a class of 200 with 26 athletes on the honor roll, 56 athletes, and 50 honor roll students?
Back
P(Athlete or Honor Roll) = (P(Athlete) + P(Honor Roll) - P(Athlete and Honor Roll)) = (56/200 + 50/200 - 26/200) = 0.40.
5.
FLASHCARD QUESTION
Front
If you test 200 electric hand warmers and find 4 defective, how many defective hand warmers would you expect in a shipment of 5000?
Back
Expected defective = (4/200) * 5000 = 100.
6.
FLASHCARD QUESTION
Front
When spinning a spinner with equal sections numbered 1 to 10, are you more likely to get an even or odd number?
Back
You have an equal chance of getting an even or odd number (5 each).
7.
FLASHCARD QUESTION
Front
Define probability in the context of statistics.
Back
Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Microsoft
or continue with
%20(1).png)
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?
