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.)

Question

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.)

anonymous · Answer

im so lost on this

anonymous · Answer

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 · Answer

well, what is the total probability of all events?

anonymous · Answer

im so lost

amistre64 · Answer

what are your thoughts?  we need something to work with ...

anonymous · Answer

​(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 · Answer

part a seems binomial to me

anonymous · Answer

and im lost on c

amistre64 · Answer

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 · Answer

how many ways can we win prizes of 5 or more?

anonymous · Answer

5*3

amistre64 · Answer

ssf and sss are the only combinations that are 5 or more in value, right?

anonymous · Answer

yes

amistre64 · Answer

so if you can do partb, then partc is the same process i believe

amistre64 · Answer

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 · Answer

im lost

amistre64 · Answer

how can you be lost ... you already worked out partb and this is the same process

amistre64 · Answer

since the process is the same, and you have already worked it out for another part .... rework it