4 because you take 2²= 2 times 2 = 4
Answer:
the answer is B
Step-by-step explanation:
Answer:
19/41
Step-by-step explanation:
this fraction cannot be simplified since 19 is a prime number.
Answer:
0.3 or 30%
Step-by-step explanation:
Since no innocent student will ever be caught, the probability that a student sends an email and/or text message during a lecture AND gets caught is given by the product of the probability of a student sending a message (60%) by the probability of the professor catching them (50%) :

The probability is 0.3 or 30%.