Question

A certain insecticide kills 70% of all insects in laboratory experiments. A sample of 14 insects...

A certain insecticide kills 70% of all insects in laboratory experiments. A sample of 14 insects is exposed to the insecticide in a particular experiment. What is the probability that exactly 3 insects will survive? Round your answer to four decimal places.

0 0
Add a comment Improve this question Transcribed image text
Answer #1

p = 0.7

n = 14

P(X = x) = 14Cx * 0.7x * (1 - 0.7)14-x

P(3 insects will survive) = P(11 insects will die)

= (14C11 * 0.711 * 0.33)

= 0.1943

Add a comment
Know the answer?
Add Answer to:
A certain insecticide kills 70% of all insects in laboratory experiments. A sample of 14 insects...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT