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Probability of chips.
- Thread starter Underside
- Start date
Sorry about that. I couldn't think of anyway to solve this. At first I thought maybe the 6 chips in a cookie would give average mean and I could use the normal distribution formula of (z - mean)/std deviation. But I couldnt solve it.Read the posting guidelines pls. Show us some of your thoughts on the question first.
For what it's worth the problem is missing information. I don't see how it can be answered with just what is given.
Sorry about that. I couldn't think of anyway to solve this. At first I thought maybe the 6 chips in a cookie would give average mean and I could use the normal distribution formula of (z - mean)/std deviation. But I couldnt solve it.
you could if you had been given a standard deviation
Hrm.. looking at the problem again I see what they are after.
They are treating the number of chips occurring in a cookie as being a Poisson distribution with average 6.
The Poisson distribution has the property that the variance is the same as the average.
See if that lets you calculate the probabilities they ask for.
They are treating the number of chips occurring in a cookie as being a Poisson distribution with average 6.
The Poisson distribution has the property that the variance is the same as the average.
See if that lets you calculate the probabilities they ask for.
Thanks. I got the answer.Hrm.. looking at the problem again I see what they are after.
They are treating the number of chips occurring in a cookie as being a Poisson distribution with average 6.
The Poisson distribution has the property that the variance is the same as the average.
See if that lets you calculate the probabilities they ask for.