英文数学题(概率)ThX for help!
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英文数学题(概率)ThX for help!
Suppose 60 overnight hotel guests are surveyed to determine what they ate for breakfast with the following result:
27 had eggs, 22 had bacon, 36 had toast,
19 had eggs and bacon, 16 had eggs and toast, 15 had bacon and toast, 12 had eggs bacon and toast
A guest is selected at random. Find the probability that the guest had:
(a)none of the three
(b)toast but neither eggs nor bacon
(c)eggs and bacon but not toast
(d)bacon only
Thank you for your ideas and solutions!
i also think there are something wrong with it, but it is from my student manual.
although i have no idea what you are talking about, there are no punctuation.
anyway, thx for all!
Suppose 60 overnight hotel guests are surveyed to determine what they ate for breakfast with the following result:
27 had eggs, 22 had bacon, 36 had toast,
19 had eggs and bacon, 16 had eggs and toast, 15 had bacon and toast, 12 had eggs bacon and toast
A guest is selected at random. Find the probability that the guest had:
(a)none of the three
(b)toast but neither eggs nor bacon
(c)eggs and bacon but not toast
(d)bacon only
Thank you for your ideas and solutions!
i also think there are something wrong with it, but it is from my student manual.
although i have no idea what you are talking about, there are no punctuation.
anyway, thx for all!
I think something is wrong with the problem.no key to the problem therefor choose A
at most 47 had breakfast.12 had eggs bacon and toast
4 eggs and toast 3 had bacon and toast 7 had eggs and bacon
total 23 eggs 22 bacon 19 toast 4eggs ang 17toast were rest A guest is selected at random only eggs and toast no bacon eliminate C,D and B therefor choose A
at most 47 had breakfast.12 had eggs bacon and toast
4 eggs and toast 3 had bacon and toast 7 had eggs and bacon
total 23 eggs 22 bacon 19 toast 4eggs ang 17toast were rest A guest is selected at random only eggs and toast no bacon eliminate C,D and B therefor choose A
英文数学题(概率)ThX for help!
天气仍然很糟 用英文表达.thx for ur help..
thx for
关于概率的英文数学题
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