A population has a mean of 40 and a standard deviation of 15. a sample of size 100 is taken at random from this population. the standard deviation of the sampling distribution of sample mean equals:

11. A box of apples has a mass of 17.5 kg.) A box of pears has a mass of 15.5 kg. a) Write an algebraic expression for the total mass of a boxes of apples and p boxes of pears.

A baseball and a bat cost $1.10 and if this bat costs. 10 cents more than the ball. how much did the ball cost?

Kayla currently has an account balance of $2,134.96. She opened the account 12 years ago with a deposit of $1,327.35. If the interest compounds twice a month, what is the interest rate on the account?

The table shows the prices for games and Bella soccer league. her parents and grandmother attend a soccer game. how much theu spend if they all went together in one car?

The following table shows the probability distribution for a discrete random variable. Х 11 14 16 19 21 23 24 29 P (X) 0.07 0.21 0.17 0.25 0.05 0.04 0.13 0.

Penny has 25 dimes. She likes to arrange them into three piles, putting an odd number of dimes into each pile. In how many ways would she do this?

Each week ms jones does estimates that he will spend $120 when he goes to the grocery store this week. he actually spends $94. what is the percent of changhe

Your portfolio has provided you with returns of 8.6 percent, 14.2 percent, - 3.7 percent, and 12.0 percent over the past four years, respectively. what is the geometric average return for this period?

Which of the following could be equal to lxl? Select all that apply. 5 0 -2 -5

If $625 is invested at an interest rate of 7% per year and is compounded continuously, how much will the investment be worth in 12 years? Use the continuous compound interest formula: A = Pert a $1,447.73 b $1,477.72 c $2,895.46 d $2,955.44