Airline companies are interested in the consistency of the number of babies on each flight, so that they have adequate safety equipment. suppose an airline conducts a survey. over weekend, it surveys 6 flights from boston to salt lake city to determine the number of babies on the flights. it determines the amount of safety equipment needed by the result of that study.
select the things that were wrong with the way the survey was conducted. (select all that apply.)
o the survey uses systematic sampling.
o conducting the survey on a holiday weekend will not produce representative results.
o choosing 6 flights represents a stratified sample.
o the survey was conducted using six similar flights.
o the survey would not be a true representation of the entire population of air travelers.

Which of the following best explains why large companies have an advantage over smaller companies? a. economies of scale make it possible to offer lower prices. b. the production possibilities frontier is wider for a larger company. c. decreasing marginal utility enables more efficient production. d. increasing the scale of production leads to a reduction in inputs.2b2t

Suppose that xtel currently is selling at $40 per share. you buy 500 shares using $15,000 of your own money, borrowing the remainder of the purchase price from your broker. the rate on the margin loan is 8%. a. what is the percentage increase in the net worth of your brokerage account if the price of xtel immediately changes to (a) $44; (b) $40; (c) $36? (leave no cells blank - be certain to enter "0" wherever required. negative values should be indicated by a minus sign. round your answers to 2 decimal places.) b. if the maintenance margin is 25%, how low can xtel’s price fall before you get a margin call? (round your answer to 2 decimal places.) c. how would your answer to requirement 2 would change if you had financed the initial purchase with only $10,000 of your own money? (round your answer to 2 decimal places.) d. what is the rate of return on your margined position (assuming again that you invest $15,000 of your own money) if xtel is selling after one year at (a) $44; (b) $40; (c) $36? (negative values should be indicated by a minus sign. round your answers to 2 decimal places.) e. continue to assume that a year has passed. how low can xtel’s price fall before you get a margin call? (round your answer to 2 decimal places.)

Why does an organization prepare a balance sheet? a. to reveal what the organization owns and owes at a point in time b. to reveal how well the company utilizes its cash c. to calculate retained earnings for a given accounting period d. to calculate gross profit for a given accounting period