anonymous
  • anonymous
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.)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
im so lost on this
anonymous
  • anonymous
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.)
amistre64
  • amistre64
well, what is the total probability of all events?

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anonymous
  • anonymous
im so lost
amistre64
  • amistre64
what are your thoughts? we need something to work with ...
anonymous
  • anonymous
​(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.)
amistre64
  • amistre64
part a seems binomial to me
anonymous
  • anonymous
and im lost on c
amistre64
  • amistre64
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?
amistre64
  • amistre64
how many ways can we win prizes of 5 or more?
anonymous
  • anonymous
5*3
amistre64
  • amistre64
ssf and sss are the only combinations that are 5 or more in value, right?
anonymous
  • anonymous
yes
amistre64
  • amistre64
so if you can do partb, then partc is the same process i believe
amistre64
  • amistre64
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?
anonymous
  • anonymous
im lost
amistre64
  • amistre64
how can you be lost ... you already worked out partb and this is the same process
amistre64
  • amistre64
since the process is the same, and you have already worked it out for another part .... rework it

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