Question

An airline has 81% of his flights depart on schedule. It has 69% of its flights depart and arrive on schedule. Find the probability that a flight that departs on schedule also arrives on schedule.
1.25
0.85
0.45
0.43

Answer 1

Betty Bites size candies are packaged in bags. The number of candies per bag is normallu distributed whith a mean of 50 candies and standard devation of 3. At a quality control checkpoint a sample of bafs is checked and 8 bags contain fewer than 47 candies. How many bags were probably taken as samples
16 bags
24 bags
50 bags
10 bags

Answer 2

You pick a number between 1,000 and 5,000. Then you flip a coin
Identify if the two events are independent or dependent. Explain