If n-26, (x-bar)-32, and s-4, construct a co came from a normally distributed population. Give your answers to one decimal place.

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The number N of deer in a certain population t years after observation began is given by  N =  12.36 0.03 + 0.55t .  What is the deer population after 18 years?

Answer d

A certain basketball team makes 70% of its free throws on average. In a game where the team shoots 40 free throws. what is the approximate probabillity that the number of free throws made by the team wilbe at least 25%

If 36 * 20/100 = 7.20 and 36 + 7.20 = 43.20 and X * 20/100 = Y and X + Y = 49.51 What are the values of X and Y?

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Mr Chia purchased some colour files. 2/5 of them were red and the rest were blue. Mrs Lam bought 1/2 of the red and 1/3 of the blue ones from him. Mr Chia then found that he had 90 colour files left. How many colour files did Mrs Lam by altogether?

One common system of computing the grade point average (GPA) assigns 4 points to an A, 3 points to a B, 2 points to a C,  1 point to a D, and 0 points to an F. What is the GPA of a student who gets an A in a 3-credit course, a B in each of two 4-credit courses, a C in a 3-credit course, and a D in a 4-credit course? (Round to two decimal places) Group of answer choices 2.75 2.25 2.56 2.60