Probability and Statistics Review The Chapter 10 test is on Friday and the project is due next week. 5 th pd – Wednesday, April 2nd 8 th pd – Monday, March 31st
You roll a standard number cube. Find P(number greater than 1)
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Teesha is in the French club. There are 26 students in the club. The French teacher will pick 3 students at random to guide visiting students from France. What is the probability that Teesha will not be picked as a guide?
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You have the numbers 1–24 written on slips of paper. If you choose one slip at random, what is the probability that you will not select a number which is divisible by 3?
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The probability of the complement of an event is ____ less than the probability of the event itself. 1.sometimes 2.always 3.never
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In a batch of 960 calculators, 8 were found to be defective. What is the probability that a calculator chosen at random will be defective? Write the probability as a percent. Round to the nearest tenth of a percent % 2.0.8% % 4.1.1%
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A cell phone company orders 500 new phones from a manufacturer. If the probability of a phone being defective is 2.6%, predict how many of the phones are likely to be defective. Round to the nearest whole number phones 2.13 phones 3.11 phones phones
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If you roll a number cube 60 times and use the results to calculate the experimental probability of rolling a 1, the experimental probability of rolling a 1 will ____ be less than the theoretical probability of rolling a 1. 1.sometimes 2.always 3.never
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You toss a coin and roll a number cube. Find P(heads and an even number)
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Suppose you choose a marble from a bag containing 2 red marbles, 5 white marbles, and 3 blue marbles. You return the first marble to the bag and then choose again. Find P(red and blue)
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In a word game, you choose a tile from a bag, replace it, and then choose another. If there are 21 vowels and 15 consonants, what is the probability you will choose a consonant and then a vowel?
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If A and B are independent events and P(A) and P(B) are both greater than ½, then P(A and B) is ____ greater than 1. 1.sometimes 2.always 3.never
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You have three $1 bills, four $5 bills, and two $10 bills in your wallet. You select a bill at random. Without replacing the bill, you choose a second bill at random. Find P($10 then $1)
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A basket contains 11 pieces of fruit: 4 apples, 5 oranges, and 2 bananas. Jonas takes a piece of fruit at random from the basket, and then Beth takes a piece at random. What is the probability that Jonas will get an orange and Beth will get an apple?
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Thomas, Jenna, and Maria are playing a game. They have a bag that contains 42 white tiles and 4 red tiles. Each player takes turns picking a tile at random and does not return the tiles to the bag. The player who draws a red tile first is the winner. In the first round, Thomas goes first, then Jenna, and then Maria, and none of them draws a red tile. What is the probability that Thomas will win the game on his second turn?
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Which type of video was rented most often? Use the graph to find the answer. 1.Comedy 2.Children’s 3.Action 4.Drama
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What percent of the movies rented were comedy movies? Use the graph to find the answer. 1.10% 2.15% 3.45% 4.30%
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The cumulative frequencies of each interval have been given. Use this information to complete the frequency column. IntervalFrequencyCumulative Frequency 45–52?6 53–60?23 61–68?32 69–76?41 77–84?75 85–92? , 17, 9, 9, 34, , 30, 39, 48, 82, , 17, 6, 26, 15, 60, , 16, 16, 25, 50, 84
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List a set of data values that can be represented by the box-and-whisker plot shown. 1.4, 5, 6, 7, 8, 9, 11, 13, 14, 15, , 6, 8, 11, 15, , 5, 6, 9, 11, 15, , 6, 7, 11, 15, 16
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The circle graph shows how the average American family spends its money. Explain why the graph is misleading. 1.A family with an annual income of $32,000 spends about $2000 on clothing. 2.The sections of the graph do not add to 100%, so the percent for at least one type of expense is not represented. 3.Some people might believe that transportation is a major expense. 4.The amount of money spent on transportation and food exceeds the amount of money spent on housing.
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Identify the sample space and the outcome shown for spinning the game spinner. 1.Sample space: {W, X, Y, Z} Outcome shown: Z 2.Sample space: {V, W, X, Y, Z} Outcome shown: X 3.Sample space: {W, Y, Z} Outcome shown: X 4.Sample space: {W, X, Y, Z} Outcome shown: X
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An experiment consists of spinning a spinner. Use the results in the table to find the experimental probability that the spinner does not land on purple. Express your answer as a fraction in simplest form OutcomeFrequency red8 purple12 yellow10
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A manufacturer inspects 800 personal video players and finds that 798 of them have no defects. What is the experimental probability that a video player chosen at random has no defects? % % %
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A manufacturer inspects 500 personal video players and finds that 496 of them have no defects. The manufacturer sent a shipment of 2000 video players to a distributor. Predict the number of players in the shipment that are likely to have no defects
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An experiment consists of rolling a number cube. Find the theoretical probability of rolling a number greater than 4. Express your answer as a fraction in simplest form
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In an election, 59% of the voters voted for a new school tax. What is the probability (as a percentage) that a randomly-selected voter did not vote for the tax? 1.44% 2.41% 3.59% 4.31%
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At a carnival game, you may win an inflatable crayon, you may win a small stuffed animal, or you may win nothing at all. If the probability of winning nothing is 0.69 and the probability of winning a small stuffed animal is 0.17, what is the probability of winning an inflatable crayon?
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The probability of drawing a green marble from a marble bag is 40%. What are the odds in favor of drawing a green marble? 1.5:2 2.3:2 3.2:3 4.2:5
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A grab bag contains 3 football cards and 7 basketball cards. An experiment consists of taking one card out of the bag, replacing it, and then selecting another card. What is the probability of selecting a football card and then a basketball card?
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Only 3 questions left !!!!!!
Mrs. Green likes to serve two different kinds of vegetables with dinner. She has carrots, peas, okra, and green beans in her refrigerator. How many different sets of two vegetables can she serve? Tell whether this situation is a combination or a permutation. 1.6, combination 2.12, combination 3.6, permutation 4.12, permutation
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There are 8 singers competing at a talent show. In how many different orders can the singers appear? 1.5, ,
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Pat has 9 flowerpots, and she wants to plant a different type of flower in each one. There are 11 types of flowers available at the garden shop. In how many different ways can she choose the flowers? 1.19,958,
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