Wheeler Johnson
10/22/2024 · Elementary School
2) According to a fitness survey in 2023 , approximately \( 30 \% \) of people have a gym membership. A sample of 23 people is studied. Use Table A and write all probabilities to three decimal places and all other values to two decimal places. a) What is the sample size? c) Find the probability that exactly 8 people have a gym membership. d) Find the probability of success? e) Find the probability that at least 12 people have a gym membership. f) Find the probability that less than 5 people have a gym membership. W) Calculate the mean this be unusual? h) Calculate the standard deviation.
UpStudy ThothAI Solution
Tutor-Verified Answer
Quick Answer
- a) Sample size: 23
- c) Probability of exactly 8 people having a gym membership: 0.021
- d) Probability of success: 0.30
- e) Probability of at least 12 people having a gym membership: 0.117
- f) Probability of less than 5 people having a gym membership: 0.578
- g) Mean: 6.90
- h) Standard deviation: 2.20
Step-by-step Solution
Answered by UpStudy AI and reviewed by a Professional Tutor
UpStudy ThothAI
Self-Developed and Ever-Improving
Thoth AI product is constantly being upgraded and optimized.
Covers All Major Subjects
Capable of handling homework in math, chemistry, biology, physics, and more.
Instant and Accurate
Provides immediate and precise solutions and guidance.
Try Now
Ask Tutors
Ask AI
10x
Fastest way to Get Answers & Solutions
By text
Enter your question here…
By image
Re-Upload
Submit