Okay so I did this problem and got it wrong but I get one more chance to get it right. I tried using Binomial Dist to solve it but I failed.
30% of all M&Ms are brown. If 7 M&Ms are randomly selected, what is the probability that at most 1 is brown?
I thought I would use 0 and 1 but I...
I did this problem but am not too sure it's right, have a look
Of all households making less than $25,000 annually, 45% of them use coupons weekly when shopping for groceries. Suppose 10 households making less than $25,000 annually are selected at random. What is the variance of the number of...