Ask Experts Questions for FREE Help !
Ask
    Baxter-Dunn1's Avatar
    Baxter-Dunn1 Posts: 1, Reputation: 1
    New Member
     
    #1

    Apr 30, 2009, 12:28 AM
    probability figured in percentage
    How do you figure out this question? Women make up 23% of the workforce. In a random sample of 392 employees, what is the probability that more than 108 are women. The probability that more than 108 are women is what percentage?
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
    Ultra Member
     
    #2

    Apr 30, 2009, 11:44 AM
    Since we are dealing with large numbers, we could use the binomial distribution.

    That is,

    and use the continuity correction.



    Look up the value for z=2.2 in the z table and subtract from 1 because it states "more than".

    Also, if you have a calculator or computer you can use



    The respective results should be close to one another. I checked and they are.

    The latter is cumbersome to compute. That is why we use the short method outlined first.

Not your question? Ask your question View similar questions

 

Question Tools Search this Question
Search this Question:

Advanced Search


Check out some similar questions!

I figured the issue and I don't know what's next. [ 11 Answers ]

Dear helper or therapy, Me (22) and my girlfriend (19) been nearly 7 months together. We have gone through dating almost weekly while we both have jobs over the school and summer. It was all fine until then school started (college), she quit her job because she is going to have a lot of classes...

I think I've got it figured out. [ 130 Answers ]

I'm the one true god. Can you prove me wrong? Would you risk your soul doubting me? If you can't prove me wrong, I'll be setting up a paypal account so you can start sending me 10% of your income. Also to the person who is going to pray to me to win the lottery. I ran some tests and I found...

I Just Figured It Out! Right? [ 20 Answers ]

https://www.askmehelpdesk.com/relationships/she-wants-space-166149.html That was my story. I have been alone to think about it for days and days (I'm a high school math teacher, it's winter break), and I think I just figured something out. She loved me. I know this to be true. She went...

Kind of off topic, but I figured you guys were the best to ask. [ 3 Answers ]

It is my friends birthday tomorrow (girl). I want to get her something (not big) just a little "happy bday" gift. I have ZERO romantic interest in this girl, she is actually best friends with the girl I do like (awkward). I have known this girl for a LONG time, so its not our of the ordinary or...


View more questions Search