Statistics probability problem. I could really use some help figuring out how to solve this.

Statistics probability problem. I could really use some help figuring out how to solve this.

70% are either a truck or are US made, and 54% are US made. What percentage are U.S. made trucks?

A coin is tossed until we get the pattern HTH. Assume that H appears with probability p. What is the expected number of flips required? [Hint: Condition on the number of flips required to...

Independent tosses of a loaded die with probabilities pi, i = 1, ..., 6, are performed. Let N denote the number of tosses until the initial outcome has occurred exactly 3 times. For...

There are 15 balls in a box. 9 have not been used previously. Three balls are randomly selected, then returned. Later, 3 more balls are selected and returned. Find the probability that none of these...

There are 60 students in a statistics class. What is the probability that no two share the same birthday? Really need help on this one!!

Based on many years of experience, a teacher knows that there is a 75% chance that any given student in her class studies for an exam. Of those that study, 90% of them pass. Of those that do not study,...

After examining Star Fleet historical files, Kirk realizes that a particular kind of attack on the Romulans that he is considering is very difficult, succeeding only 5% of the time. Because of the...

Suppose Pr(A) = 0.58, Pr(B) = 0.45 and B ⊆ A. Find: a) Pr(A∩B) b) Pr(A∪B)

You are playing a treasure hunt card game that include a treasure chest seven pirates and nine islands each player is dealt five cards before seeing any of the card you randomly make a guess...

When the health department tested private wells in a county for two impurities commonly found in drinking water, it found that 20% of the wells had neither impurity, 40% had impurity A, and 50% had...

It is known that 60% of the voters in a particular electorate support the Liberal party. A sample of 100 voters is taken. Let ˆP be the random variable for the sampling distribution of the sample...

Eight children of different ages stand in a random order in a line. Find the number of different ways this can be done if none of the three youngest children stand next to each other. Can...

What is chance of getting heads from 20 pennies taped together

You are playing a treasure hunt card game that include a treasure chest seven pirates and nine islands each player is dealt five cards before seeing any of the card you randomly make a guess...

A box contains 3 red, 4 purple, 5 green, and 3 black marbles. On 60 draws with replacement, which is the most likely result?

from a standard normal distribution. Find the probability that BOTH observations are greater than 1

You roll 10 dice and note the sum of this first roll. You keep the results of 3 dice, but roll the other 7 again, then noting the sum (of all 10 dice) of this second roll. You do this (throwing the...

an urn contains 10 white, 18 red, and 8 blue chips. two chips are drawn without replacement. find the probability of: first chip red, second chip blue a red and a blue chip first...

A regular deck of 52 cards has 13 cards (including 3 face cards) in each of 4 suits. The sum of the probability that an event will happen and the probability that the...