Question

Q1: One prominent physician claims that 75% of those with lung cancer are chain smokers. If...

Q1:

One prominent physician claims that 75% of those with lung cancer are chain smokers. If his assertion is correct, find the probability that of 7 such patients recently admitted to a hospital, more than 5 are chain smokers. Find the mean and standard deviation of this distribution.


Q2:

It is known that 20% of products on a production line are defective. a. Randomly pick 5 products. What is the probability that exactly 2 are defective? b. Products are inspected until first defective is encountered. Let X = number of inspections to obtain first defective. What is the probability that X=5?

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
2. A prominent physician claims that 70% of patients with lung cancer are chain smokers..Suppose that...
2. A prominent physician claims that 70% of patients with lung cancer are chain smokers..Suppose that 10 patients with lung cancer are admitted to a hospital. (a) Which assumption/s is/are most likely to be violated if this is a binomial experiment?Explain briefly. (1 mark) b) Define the random variable ?. c) Calculate the probability that no more than half of the patients are chain smokers. (1 mark) d) Calculate the probability that more than average number of patients are non-chain...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT