John is interested in purchasing a multi-office building containing five offices. The current owner provides the following probability distribution indicating the probability that the given number of offices will be leased each year. Number of Lease Offices012345 Probability10/331/337/331/114/338/3 3 If each yearly lease is $12,000, how much could John expect to collect in yearly leases for the whole building in a given year

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables