The Times of sarah's first swim lengths are 27 seconds, 35 seconds, and 31 seconds. in how many seconds must length four be completed so the mean is 30 seconds

A certain university will select 1 of 7 candidates eligible to fill a position in the mathematics department and 2 of 10 candidates eligible to fill 2 identical positions in the computer science department.

If "np is greater than or equal to 15" and "n (1-p) is greater than or equal to 15", what is the approximate shape of the sampling distribution of the sample proportion?

A roster for a baseball team has 12 players. the coach is randomly making the batting order for 9 players. what is the probability that you will be the lead-off hitter

He price of a dozen eggs was $1.63. The price rose m dollars. Then the price dropped $0.12 per dozen. Express the current price of eggs after the two price changes A) m+.51 B) m+1.51 C) m+1.63 D) m+1.75

10n squared - 26n + 12

Complete the patterns 9430, 94.3, 9.43

10. The length of a rectangle is six times the width. If the length is 18 inches, what is the width

A safe has a 4-digit lock code that does not include zero as a digit and no digit is repeated. What is the probability of a lock without all even digits? There to get a lock code with all even digits. There are 3,024 different 4-digit lock codes.

Express 2/5 as a decimal

Simplify - 3/5 : 7/6 what is the answer