Probability: bernoulli trial model

Use the Bernoulli model to solve: A) Calculate probabilites of gettin from 0 to 5 clubs on a hand B) What is the probabilty of gettin 2 or fewer cubs of 5 cards?

Normal Distrubution

An airline wants to find out how long it takes for a travel agent to complete an airline ticket order from a computer terminal. Assume that the mean transaction time is 150 seonds. also assume that the population of transaction times has normal frequency curve. Find the probability that the 150 and 175 seconds to complete if st ...continues

Use a tree diagram to determine probability. Determine the probability that a child chosen at random from the school is bussed to school.

Draw a tree diagram that illustrates the following. Three-fifths of kindergarten children are bussed to school, while two-fifths of the first to fifth graders are bussed. The school has grades K through 5, and 17.5% of the students are in kindergarten. Determine the probability that a child chosen at random from the school is ...continues

Determine probability

A man has been guessing colors of cards drawn from a standard deck of cards. During the first 50 draws he kept track of the number of cards of each color. What is the probability of guessing the color of the fifty-first card?

Determine Probability distribution

In a certain carnival game a player pays $1 and then tosses a fair coin until either a "head" occurs or he has tossed the coinfour times. He receives fifty cents for each toss. Determine the probability distribution for the experiment of playing the game and observing the player's earnings.

Probability question

An exam consists of six "true or false" questions. what is the probability that a person can get five or more correct by just guessing?

Probability

Forty percent of a particular model of car are silver. What is the probability that in the next 10 observations of this model you observe 5 silver cars?

Probability

A coin is tossed until four heads occur. What is the probability that the fourth head occurs on the tenth toss?

Determine probability

In a carnival game the players selects two coins from a bag containing two silver dollars and six slugs. Write down the probability distribution for the winnings and determine how much the player would have to pay so that he would break even, on the average, over many repetitions of the game.

Variance and standard deviation

Two golfers recorded their scores for 20 nine-hole rounds of golf. Golfer A's scores were: 39, 39, 40, 40, 40, 40, 40, 40, 41, 41, 41, 41, 41, 41, 41, 42, 43, 43, 43, 44. Golfer B's Scores were: 40, 40, 40, 41, 41, 41, 41, 42, 42, 42, 42, 42, 43, 43, 43, 43, 43, 43, 44, 44. (a) Compute the sample mean and the varience of ea ...continues