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which formula is used to calculate the standard deviation of sample data?

Abaker makes 186 cookies. some are chocolate chip and some are oatmeal raisin, and both kinds are made with and without nuts, as shown in the table above. because they are more popular, the baker made 2/3 of the cookies chocolate chip. if a chocolate chip cookie is chosen at random, what is the probability that it will have nuts? a) 21/93 b) 21/62 c) 41/93 d) 21/41

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid

The ratio of the height of two similar cylinders is 4 to 3 what is the ratio of their volumes