20. The bee population in a certain area is declining at an uninhibited rate of 36.5% per year. How long will it take for that population to be one-fourth of the initial population?
5.9 years
1.6 years
11.3 years
3.8 years

Acircle has a circumference of 28.36 units what is the diameter of the circle

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 46, 19, 38, 27, 12, 38, 51 minimum maximum median upper quartile lower quartile