A real estate agent is analyzing her monthly sales figures….

A real estate agent is analyzing her monthly sales figures. She’s interested in understanding the distribution of the total value of houses sold each month. Which type of probability distribution would be MOST appropriate for modeling this scenario, assuming her sales are relatively consistent over time?

What formula is used to determine the probability that a ran…

What formula is used to determine the probability that a randomly selected house will have electric appliances, given there is no waterfront view?           Fuel Type No Waterfront Yes Waterfront Grand Total Electric 208 3 211 Gas 663 5 668 Oil 114 7 121 Grand Total 985 15 1000

During the first quarter of 2017, an investment group’s aver…

During the first quarter of 2017, an investment group’s average purchase price of Bitcoin was $2,500.175 with a standard deviation of $600. The last purchase made was priced at $2,450.00. Assume that their purchase prices follow a normal distribution. To find the z-score for the last purchase, what value would be in place of x̄ when referring to the z-score formula below?