Probability Distributions

Probability Distributions | Quizalize

16 questions

Classify: The numbers of cheeseburgers a fast-food restaurant serves each day

20 sec

Let X represent the number of books in a public library.

20 sec

Let x represent the volume of blood drawn in a blood test

20 sec

Let x represent the length of time it takes to get to work

20 sec

Let x represent the number of tornadoes in the month of June in Oklahoma

20 sec

Find the missing value of the probability distribution

45 sec

Is the following a probability distribution?

45 sec

Is the following a probability distribution?

45 sec

Is the following a probability distribution?

45 sec

A marketing survey compiled data on the number of cars in households. If X = the number of cars in a randomly selected household, and we omit the rare cases of more than 5 cars, then X has the probability distribution in the picture. What is the probability that a randomly chosen household has at least two cars?

120 sec

The table represents the probability of guessing correct on a 5 question true-false quiz. Find the probability for at least 4 questions correct.

120 sec

The table above shows a television station's advertisement sales. The distribution of sales for one 24-hour day is given. Solve for the mean. Round to the nearest hundredth.

300 sec

The table above shows the number of cell phones per household in a small town. Find the mean round to the nearest hundredth.

300 sec

A stockbroker estimates that at the end of the year, there is a 40% chance a stock will be worth $50, a 35% chance it will be worth $60 and a 25% chance it will be worth $70. What expected value does this broker assign to this stock's end-of-the-year price?

300 sec

Eva flips a coin. If she gets heads, she wins $4. If she gets tails, she loses $3. What is her expected value of a coin flip?

300 sec

n a certain community, 30% of households have 1 child, 43% have 2 children, and 27% have 3 children. If a household is selected at random, what is the expected number of children in that household? HINT: A Probability table may be helpful.

300 sec

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