To increase sales, a local donut shop began putting an extra donut in some of the boxes. Customers are unaware of which boxes had the extra donut and the shop owner claimed that one in seven boxes had an extra donut. Eight
customers each bought one box of donuts at the shop. Let X the number of customers that bought a box containing an
extra donut.
art A: Is X a binomial random variable? Explain. (3 points)
Part B: What is the mean and standard deviation of X? Provide an interpretation for each value in context. (4 points)
Part C: Two of the eight customers buy a box of donuts with an extra donut. Is the shop's claim accurate? Compute P(X
2) and use the result to justify your answer. (3 points)

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below. trans typ./ check no. date description of transaction payment/ debit deposit/ credit (+) balance 1,200 00 324 10/6 miller's food market 45.87 45 87 groceries 1,154 13 325 10/7 cyber center computer outlet 218.59 218 59 monitor 935 54 326 10/9 sandy's beauty salon 30.00 30 00 haircut and styling 900 59 deposit 10/10 paycheck 621.33 621 33 1,621 92 evaluate leslie's check register. a. leslie did a good job. everything is correct. b. the final balance is wrong; she did not add everything correctly. c. leslie should have written debit instead of deposit for the transaction type. d. leslie switched the debit and credit columns.

Which term describes the point where the perpendicular bisectors of the three sides of a triangle intersect?