Consider a poisson distribution with an average of 3 customers per minute at the local grocery store. determine the expected number of customer arrivals for a five-minute period. 15 3 243 125

MATH: is 1/5 irrational?

If John has 13 more Apple than jake and Mary has 26 less that jake and all together they have 236 apples how many Apple does each person have

Consider a political discussion group consisting of 9 Democrats, 6 Republicans, and 6 Independents. Suppose that two group members are randomly selected, in succession, to attend a political convention. Find the probability of selecting no Democrats.

Two integers from 1 to 30 are chosen by a random number generator. what is the probability that both numbers are less than 12?

Write the sum as a product. Simplify the product. (2) (2) (2) (2) a. 4 (2); 8 b. 5 (2); 10 c. (2) (2) (2) (2); 6 d. 2 (2) 2 (2); 10

a tree casts a shadow 27meters long. a nearby by post that is 5 meters tall casts a shadow 3 meters long. how tall is the tree? (hint: set up proportion to solve)

13. Michael deposits $800 into an account that pays 8% interest rate every year. Write an exponential function giving the amount f (t) (in dollars) the Michael will have after t years.

What is the range of f (x) = - x2 4, if the domain is {2,0,1}? A) {0,3,5} B) {0,4,3} C) {0,4,5} D) {8,4,3}

There are 90,000 famillies who donated to Nina's Fund. They donated 40 dollars each. How many dollars were raised?

Sharon called 3 friends on Friday. On Saturday, each of those 3 friends called 3 different friends. On Sunday, each person who was called on Saturday called 3 different people. How many friends were called on Sunday?