10. You are watching the news and heard that there is a rare comet passing Earth. There weatherman on the news reported that there is a \( 85 \% \) chance that the comet will be visible if the night sky is clear and \( 25 \% \) chance that it will be visible if the sky is not clear. There is a \( 55 \% \) chance that the night sky will be clear. Using a tree diagram, determine the probability that you will be able to see the comet. ( \( 2 \) marks)
Pregunta
Answer
0.55×0.85=0.4675
Related Questions
Q:
Joe earns \( \$ 9 \) per hour. He worked \( x \) hours on both Wednesday and Friday, and \( 8 \) hours on both Tuesday and Saturday. Write an expression to represent how much Joe earned.
Q:
If a virus spreads at a rate that can be modeled by the exponential function \( A ( t ) = ae ^ { r t } \) , how many people will be infected after \( 5 \) days if initially \( 3 \) people are infected and the growth rate is \( 40 \% \) ?