question archive 1) A weather forecast said there is an 70% chance of snow in the morning and a 80% chance of snow later in the afternoon
1) A weather forecast said there is an 70% chance of snow in the morning and a 80% chance of snow later in the afternoon
Subject:MathPrice: Bought3
1) A weather forecast said there is an 70% chance of snow in the morning and a 80% chance of snow later in the afternoon. Assume these events are independent. Find the probability that it will snow either in the morning or the afternoon. Give your answer to two decimal places.
2) In a certain class, the probability of a quiz on Monday is .9, the probability of a quiz on Wednesday is .3, and the probability of a quiz on Friday is .2. Assume these events are independent. Find the probability of having a quiz on Monday and Wednesday but not on Friday. Give your answer to three decimal places.
