Solve for n in 4 middot nP3 n 1P4 How many distinct licens

Solve for n in 4 middot nP_3 = n + 1P_4. How many distinct license plates can be issued consisting of one letter followed by a three-digit number? Four students are randomly selected from a class of 25 to answer questions from a reading assignment. In how many ways can the four he selected? A card is drawn from a standard deck of 52 playing cards. Find the probability that it is a red face card. In 2006. six of the eleven men\'s basketball teams in the Big Ten Conference were to participate in the NCAA Men\'s Basketball Championship Tournament. If six of the eleven schools are selected at random, vs hat is the probability that the six teams chosen were the actual six teams selected to play? Two integers from I to 60 are chosen by a random number generator. What is the probability that (a) both numbers arc odd. (b) both numbers are less than 12. and (c) the same number is chosen twice? A weather forecast indicates that the probability of snow is 75%. What is the probability that it will not snow?

Solution

Q25)

Since there are 26 red cards out of 52.

So the probability of red card among the 52 cards is 26/52 = 1/2 = 0.5