# finite math

Among 26-31 year old, 29% say they have written an editorial letter while under the influence of peer pressure. Suppose six 26-31 year old are selected at random. (a) that at least one has not written under the influence of peer pressure. (b) what is the probability of that at least one has written an editorial letter while under the influence of peer pressure.

1. 👍 0
2. 👎 0
3. 👁 1,226
1. is part (a) a given condition or you're expected to calculate the said event?

1. 👍 0
2. 👎 0
2. it is a given

1. 👍 0
2. 👎 0
posted by carol
3. If at least one has not written, then there are only 5 to consider.

p=0.29
q=(1-0.29)=0.71

P(at least one out of 5)
=1-P(none out of 5)
=1-q^5
=1-0.18
=0.82

1. 👍 0
2. 👎 0

## Similar Questions

1. ### finite math

8. Among 38-43 year old, 25% say they have written an editorial letter while under the influence of peer pressure. Suppose two 38-43 year old are selected at random. (a )what is the probability that at least one has not written

asked by carol on June 17, 2014
2. ### finite math

Among 38-43 year old, 25% say they have written an editorial letter while under the influence of peer pressure. Suppose two 38-43 year old are selected at random. (a )what is the probability that at least one has not written under

asked by carol on June 18, 2014
3. ### English

1. He wrote me a letter. 2. I was written a letter by him. 3. A letter was written me by him. 4. A letter was written for me by him. (#1 is an active voice sentence. The others are passive voice sentences. Is #1 wrong or right as

asked by rfvv on December 10, 2009
4. ### English

Hello. I'll be very grateful for your help. 1)Is it possible to say "I'll answer your question if you are insisting" or is it "if you insist"? 2)Is the sentence correct "By the time you come, the letter will be ready" or is it

asked by Ilma on February 2, 2012
5. ### Social

How do you write a newspaper editorial? What is a news paper editorial?? A newspaper editorial states the position and opinions of the editorial staff. It may praise or condemn and action. I may urge action on a particular issue.

asked by Robynn on November 20, 2006
1. ### Editorial (Writeacher)

Thank you, Writeacher, for responding to my post. I truly appreciate your it. However, do you think the editorial that I have written requires any other improvements?

asked by Anonymous on February 17, 2014
2. ### English

I'm a 7 Letter Words, You Read me daily, My 5, 6, 7th Letter increases every Year. 3rd and 4th Letter are the Same. My 3rd, 2nd and 5th Letter Covers 75% of the World. What am i?.

asked by Tesa on October 6, 2012
3. ### world issuse

I'm a 7 letter word u read daily,my 5th 6th and 7th letter increase each year,my 3rd n 4th letter are the same,my 3rd 2nd n 5th letter cover 75% of the world.

asked by dan on May 24, 2011
4. ### finite math

Among 26 to 31 year olds 35% say they have driven a car while under the influence of peer pressure. suppose 2 26 to 31 year olds are selected at random. A)the probability that at least 1 has not driven under the influence? B)the

asked by john on September 7, 2015
5. ### English

Can a rough draft for a letter of application or cover letter be written front and back? Also how many lines do you skip for each topic. Thanks!

asked by Jennifer on October 21, 2010

More Similar Questions