A random sample of 40 students were asked how much money they spent on entertainment in the last week. They spent an average of $28, with a standard deviation of $18. What is the 90% confidence interval for mean amount spent on entertainment?

Suppose matt and bree go out to get pizza. they order breadsticks and a large pepperoni pizza. after eating the breadsticks, and one piece of pizza bree decides to have an additional piece, but she does not eat a third piece. if bree is a rational individual why did she not eat the third piece of pizza? the marginal cost of the

Galwaysc electronics makes two products. model a requires component a and component c. model b requires component b and component c. new versions of both models are released each year with updated versions of all components. all components are sourced overseas, and abc contracts annually for a quantity of each component before seeing that year’s demand. components are only assembled into finished products once demand for each model is known. for the coming year, alwaysc’s purchasing manner has proposed ordering 500,000 units of component a, 630,000 of component b, and 1,000,000 units of component c. her boss has asked why she has recommended purchasing so much of components a and b when alwaysc will not have enough of component c to fully use all of the inventory of a and b. what factors might the purchasing manager cite to explain her recommended order? explain your reasoning.

Jacob is a member of wcc (an llc taxed as a partnership). jacob was allocated $155,000 of business income from wcc for the year. jacob’s marginal income tax rate is 37 percent. the business allocation is subject to 2.9 percent of self-employment tax and 0.9 percent additional medicare tax. (round your intermediate calculations to the nearest whole dollar a) what is the amount of tax jacob will owe on the income allocation if the income is not qualified business income? b) what is the amount of tax jacob will owe on the income allocation if the income is qualified business income (qbi) and jacob qualifies for the full qbi duduction?