McPhilly is conducting a study on the amount of money a customer spends on each visit to the restaurant. The company uses a computer to select customer receipts from each McPhilly restaurant. The company found that the mean amount spent is $11 with a $3 standard deviation. a. What type of sampling method was used?

b. What is the probability that a customer spend greater than $14 each visit?

c. What is the probability that a customer spends less than $7 each visit?

d. The customers were asked to respond to the following survey question, determine if the question is biased. Explain why or why not?

"What menu item gives you the best value?

Helena lost her marbles. but then she found them and put them in 44 bags with mm marbles in each bag. she had 33 marbles left over that didn't fit in the bags.

Nthe opening scene of the movie raiders of the lost ark, indiana jones replaces a golden statue with a bag of sand. the platform on which the statue is placed is designed to detect the mass of the statue. if the bag of sand has a different mass than the statue, then a mechanism triggers and destruction ensues. the density of gold is about 20\text{ g/cm}^320 g/cm 3 20, space, g, slash, c, m, start superscript, 3, end superscript. the density of sand can be estimated at 2.5\text{ g/cm}^32.5 g/cm 3 2, point, 5, space, g, slash, c, m, start superscript, 3, end superscript. the gold statue can be modeled as a cylinder with height 25\text{ cm}25 cm25, space, c, m and radius 8\text{ cm}8 cm8, space, c, m. in terms of \piπpi, what is the mass of sand indiana jones needs to avoid triggering the mechanism?

Which additional information, if true, would to prove that δlmp ≅ δnmp by hl? check all that apply.