Suppose a normal distribution has a mean of 20 and a standard deviation of 4. A value of 26 is how many standard deviations away from the mean?

Brad brought 3 cases of homemade trail mix to the farmer's market. He poured the contents of 7 individual packages into small sample cups to use as free samples. He sold one case of trail mix. There are 63 bags of trail mix left.

61 and 107 that is a multiple of 3,8, and 12

Hector spent 3/4 of his money the day after he cashed his paycheck of $50. Let m represent the amount of money Hector spent.

You have a piggy bank made of only dimes and quarters. There are 42 coins and their value is $6.75. How many dimes and quarters are there in the piggy bank?

a distribution has the five number summary shown below. what is the range of the distriution? 14,46,52,67,85

Calculate the probability of completing a straight if you have 4 cards that are in sequence. Do this both for the standard case of one deck of cards, or the casino case of an infinite supply of cards.

If f (x) = x/2 + 8 what is f (x) when x = 10 4 9 13 36

7) Ryan's school is selling tickets to a play. On the first day of ticket sales the school sold 8 senior citizen tickets and 10 student tickets for a total of $182.

Increase 260kg by 10% and then decrease the result by 10%

The perimeter of a rectangle is 354 CM if the width of the rectangle is 82 centimeters what is its length