Mathematics Probability Level: Misc Level
In a certain experiment, there is a 0.3 probability that any weighing machine used is in error by more that 10 grams. If 3 weighing machines are used, what is the probability that at least one of them is not in error by more than 10 grams?
Mathematics Probability Level: Misc Level
[Continued from Problem 5900]he probabilitty that Berna hits the dartaboard is 4/7 and ,independenty, the probability Defne misses it is 1/3. What is the probability that Berna misses the dartboard and Defne hits it?
Mathematics Probability Level: Misc Level
In a class, there are 23 boys and 19 girls. 10 of the boys and 7 of the girls have participated in the talent show. If a student is selected at random what is the probability Defne misses it is 1/3. What is the probability that Berna misses the dartboard and Defne hits it?
