» 12. A bag contains 6 red and 3 white balls. Four balls are drawn out one by one and not replaced. What is the probability that they are alternatively of different colours.

Q: A jar contains 2 red and 3 green jellly.  Two jelly are taken simultaneously and completely at…

A: From the given information,   A jar contains 2 red and 3 green jelly. Two jelly are taken…

Q: ./ In Jack's drawer there is 12 white socks (identical not paired) and 12 black socks (identical not…

A: From the given information, there are 12 white socks and 12 black socks. Jack grabs two socks…

Q: of 600 car parts, are produced, it's know that 350 are produced in the first plant, 150 part in the…

A: Let first plant = A, second plant=B, third plant=C, S= all parts, D= defective part Given that…

Q: A shipment of 9 typewriters contains 3 that are defective. Find the probability that a sample of…

A:

Q: Suppose that 5 Black balls, 3 White ball and 2 Green balls are placed into a bag. Assume that the…

A:

Q: If it is intended to choose a student committee consisting of 5 students, then if there are 30 male…

A:

Q: If a box has twenty balls, where three balls are red, twelve balls blue and the rest balls are…

A:

Q: Suppose that a shipment contains 5 defective items and 10 non defective items.  If 7 items are…

A: From the provided information, A shipment contains 5 defective items and 10 non defective items.…

Q: 3./ In Jack's drawer there is 12 white socks (identical not paired) and 12 black socks (identical…

A: There are 12 white socks and 12 black socks in the Jack's drawer.What is the probability that Jack…

Q: Q1/ In a group of 15 mixed plants, 6 are red, 8 are yellow and 3 are both. What is the probability…

A: Given information No of mixed plants = 15 No of red plants = 6 No of yellow = 8 Both = 3

Q: At a factory that produces pistons for cars, Machine 1 produced 792 satisfactory pistons and 198…

A: General formula of probability is ,  Probability =Number of favorable outcomes Total outcomes

Q: A family chosen at random has 4 kids (a) what is the probability that there are 2 boys and 2 girls?…

A: Each kid can be chosen in 2 ways (boy or girl)  So 4 kids can be chosen in 24=16 ways  (order of…

Q: A bag contains 3 white balls, 4 green balls and 5 red balls. Three balls are drawn from the bag…

A: Given,no.of white balls=3no.of green balls =4no.of red balls =5Total no.of balls =12

Q: There are two urns ‘A’ and ‘B’ with chips in them. Urn ‘A’ has 4 red and 3 green chips whereas urn…

A: There are two urns ‘A’ and ‘B’ with chips in them. Urn ‘A’ has  red and  green chips whereas urn ‘B’…