There is a surprise test happening in a class. The test has 50 multiple-choice questions, and for each question, there is exactly one correct answer out of 4 possible choices. So, for each question, the chance of getting a correct answer is 1/4. Bella is not prepared for the exam and has decided to randomly select an answer for each question. What is the probability that Bella would answer at least 14 questions correctly? Round off your answer to THREE DECIMAL PLACES. What is the probability that Bella would answer more than 10 but not more than 27 questions correctly? Round off your answer to THREE DECIMAL PLACES. What is the probability that Bella would answer more than 12 but less than 40 questions correctly? Round off your answer to THREE DECIMAL PLACES.
There is a surprise test happening in a class. The test has 50 multiple-choice questions, and for each question, there is exactly one correct answer out of 4 possible choices. So, for each question, the chance of getting a correct answer is 1/4. Bella is not prepared for the exam and has decided to randomly select an answer for each question. What is the probability that Bella would answer at least 14 questions correctly? Round off your answer to THREE DECIMAL PLACES. What is the probability that Bella would answer more than 10 but not more than 27 questions correctly? Round off your answer to THREE DECIMAL PLACES. What is the probability that Bella would answer more than 12 but less than 40 questions correctly? Round off your answer to THREE DECIMAL PLACES.
Transcribed Image Text:There is a surprise test happening in a class. The test has 50 multiple-choice questions, and for each question, there is
exactly one correct answer out of 4 possible choices. So, for each question, the chance of getting a correct answer is
1/4. Bella is not prepared for the exam and has decided to randomly select an answer for each question. What is the
probability that Bella would answer at least 14 questions correctly? Round off your answer to THREE DECIMAL PLACES.
What is the probability that Bella would answer more than 10 but not more than 27 questions correctly? Round off your
answer to THREE DECIMAL PLACES. What is the probability that Bella would answer more than 12 but less than 40
questions correctly? Round off your answer to THREE DECIMAL PLACES.
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