Take Home Test 2 Sta 2023 Worksheet (Page 8 of 8) in pdf

Take Home Test 2 Sta 2023 Worksheet Page 8

Provide a written description of the complement of the given

event.

48) When 100engines are shipped, all of them are free of defects.

A) All of the engines are defective.

B) At least one of the engines is defective.

C) At most one of the engines is defective.

D) None of the engines are

defective.

49) When several textbooks are edited, none of them are found to be free of errors.

A) At most one of the textbooks is free of errors.

B) At least one of the textbooks is free of errors.

C) One of the textbooks is free of

errors.

D) All of the textbooks are free of errors.

Find the indicated probability. Round to the nearest thousandth.

50) An unprepared student makes random guesses for the ten true-false questions on a quiz. Find the probability

that there is at least one correct answer.

A) 0.001

B) 0.999

C) 0.900

D) 0.100

51) A study conducted at a certain college shows that 55% of the school's graduates find a job in their chosen field

within a year after graduation. Find the probability that among 7 randomly selected graduates, at least one

finds a job in his or her chosen field within a year of graduating.

A) 0.550

B) 0.996

C) 0.985

D) 0.143

Take Home Test 2 Sta 2023 Worksheet Page 8