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anonymous

  • one year ago

A​ fast-food chain randomly attaches coupons for prizes to the packages used to serve french fries. Most of the coupons say​ "Play again," but a few are winners. Of the​ coupons, 53 percent pay​ nothing, with the rest evenly divided between​ "Win a free order of​ fries" and​ "Win a free​ sundae." Complete parts​ (a) through​ (c) below.​(a) If each member of a family of three orders fries with her or his​ meal, what is the probability that someone in the family is a​ winner?The probability is ​(Round to three decimal places as​ needed.)​(b) What is the probability that one member of the family of three orders fries with her or his​ meal, what is the probability that someone in the family is a​ winner? The probability is nothing. ​(Round to three decimal places as​ needed.)

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  1. anonymous
    • one year ago
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    im so lost on this

  2. anonymous
    • one year ago
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    A​ fast-food chain randomly attaches coupons for prizes to the packages used to serve french fries. Most of the coupons say​ "Play again," but a few are winners. Of the​ coupons, 53 percent pay​ nothing, with the rest evenly divided between​ "Win a free order of​ fries" and​ "Win a free​ sundae." Complete parts​ (a) through​ (c) below.​(a) If each member of a family of three orders fries with her or his​ meal, what is the probability that someone in the family is a​ winner?The probability is ​(Round to three decimal places as​ needed.)​(b) What is the probability that one member of the family of three orders fries with her or his​ meal, what is the probability that someone in the family is a​ winner? The probability is nothing. ​(Round to three decimal places as​ needed.)

  3. amistre64
    • one year ago
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    well, what is the total probability of all events?

  4. anonymous
    • one year ago
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    im so lost

  5. amistre64
    • one year ago
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    what are your thoughts? we need something to work with ...

  6. anonymous
    • one year ago
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    ​(a) If each member of a family of three orders fries with her or his​ meal, what is the probability that someone in the family is a​ winner? The probability is 0.8510 ​(Round to three decimal places as​ needed.) ​(b) What is the probability that one member of the family gets a free order of fries and another gets the​ sundae? The third wins nothing. The probability is 1756. ​(Round to four decimal places as​ needed.)

  7. amistre64
    • one year ago
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    part a seems binomial to me

  8. anonymous
    • one year ago
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    and im lost on c

  9. amistre64
    • one year ago
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    well, it helps if you post it here instead ... (c) The fries normally cost​ $1 and the sundae​ $2. What are the chances of the family winning​ $5 or more in​ prizes?

  10. amistre64
    • one year ago
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    how many ways can we win prizes of 5 or more?

  11. anonymous
    • one year ago
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    5*3

  12. amistre64
    • one year ago
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    ssf and sss are the only combinations that are 5 or more in value, right?

  13. anonymous
    • one year ago
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    yes

  14. amistre64
    • one year ago
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    so if you can do partb, then partc is the same process i believe

  15. amistre64
    • one year ago
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    What is the probability that one member of the family gets a sundae and another gets the​ sundae? The third wins fries? add that to: What is the probability that one member of the family gets a sundae and another gets the​ sundae? The third wins sundae?

  16. anonymous
    • one year ago
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    im lost

  17. amistre64
    • one year ago
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    how can you be lost ... you already worked out partb and this is the same process

  18. amistre64
    • one year ago
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    since the process is the same, and you have already worked it out for another part .... rework it

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