Help....... this is so hard

Help....... this is so hard

Confused

Una is going to roll ten standard (six-sided) dice, one after another. What is the probability that (a) none of the dice land showing an ace (a single spot) on top? (b) some (at least...

A family consists of a mother, a father, 2 girls and 2 boys. How many different ways can they be arranged in a line if the boys are together and the girls are not? I have no idea how...

Nishi's brother's free throw average is 70% Model his one on one free throw situation and find the expected value of the points he scores

The deli takes a survey of its customers about which of its 6 cheese varieties are their favorites. In how many ways could the top 3 favorites be chosen in order of popularity?

Please help I have no idea how to do this question. Three people independently each think of an integer in the set {1,2,3,4,5,6,7}. Find, in fractional form, the probability...

Consider the following experiment. You continuously flip the coin until k consecutive heads appear. Assume that k > 0. If k = 3 and p = 0.7, then a possible outcome of this experiment is the following...

I have a 1/20 chance of winning a game. I play 4 more separate independent games of each other which has the same probability of winning 1/20 chance. What is the probability I win at least one game...

akili has two tests, the probabil that he will pass the first test is 3/4. How he does on the first test affects the second test. If he passes the first test there is a 4/5 chance that he will pass...

Problem 1. Theresa Caputo, the Long Island Medium comes up with information only the departed loved one or subject would know. For instance she asked a subject if the number “11” meant anything to...

Please help me answer the following questions! I'm stuck and keep getting the wrong answer! 1. Find the number of six-letter arrangements that can be made from the letters in the word SYDNEY. 2...

My question is: what are the odds of the dealer in a game of blackjack, in four consecutive hands, getting a blackjack 3 of the 4 times? More specifically–just in case it's relevant–the...

Hi! Just as a follow up question that I don't understand (and if someone could explain how this works) 1) There are 2 red and 4 green identical marbles arranged in a line. How many different arrangements...

A computer is programmed to produce at random a single digit from the list 0,1,2,3,4,5,6,7,8,9. The program runs twenty times. Let Y be the number of zeros that occur. a) State the distribution...

How many of these will have the vowels at the two ends on the “word”?

a barrel contains 7 yellow balls, 3 green balls, 11 white balls, 5 red balls and 4 orange balls. What is the probability of choosing 2 white balls and 3 red balls?

Five out of six residents of Mayville have library cards. Which tool will best allow Darren to simulate this scenario and predict whether a randomly chosen resident has a library card?

0≤x≤1

A regular deck of cards has four suits each consisting of thirteen cards. One of the suits is “hearts” and one card in each suit is a “queen”. One card is going to be picked at random from the deck...

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