Question

answer for d part

A student is taking a multiple-choice exam in which each question has five choices Assuming that she has no knowledge of the correct answers to any of the questions, she has decided on a strategy in which she will place five balls (marked A, B, C, D, and E) into a box. She randomly selects one ball for each question and replaces the ball in the box. The marking on the ball will determine her answer to the question. There are four multiple-choice questions on the exam Complete parts (a) through (d) below 0.0016 (Round to four decimal places as needed.) b. What is the probability that she will get at least three questions correct? 0.0272 (Round to four decimal places as needed) c. What is the probability that she will get no questions correct? 0 4096 (Round to four decimal places as needed) d. What is the probability that she will get no more than two questions correct? (Round to four decimal places as needed)

Answer 1

Soluion Le P: PTobobility of etting atuess prbability Fiv carrec ansuer. mb obility of eehn bell with carrect There are Four multiple chioce queshon o exam x:mber of quesHon anssered correcty d) Thepobability that she will get no more than too questansecty The probability at she will det ahnost tuoo que &Hons Corre.ct 2 +6x42 51 Answer O 9728