The Hawaiian language has 12 letters: five vowels and seven consonants. Each of the 12 Hawaiian letters are written on a slip of paper and placed in the bag. A letter is randomly chosen from the bag and then replaced. Then, a second letter is randomly chosen from the bag. What is the probability that two vowels are chosen?
Which scenario depicts two independent events?
An amusement park reports that the probability of a visitor riding its largest roller coaster is 30 percent, the probability of a visitor riding its smallest roller coaster is 20 percent, and the probability of a visitor riding both roller coasters is 15 percent. Which equation can be used to calculate the probability of a visitor riding the largest or the smallest roller coaster?
A month of the year is chosen at random. What is the probability that the month starts with the letter cap j or the letter cap m ?
The weather report states that the probability it will rain on Wednesday is 30 percent and the probability that it will rain on Saturday is 60 percent. What is the probability that it will rain on Wednesday and on Saturday?
The probability for event cap A is 0 point 4 , the probability for event cap b is 0 point 2 , and the probability of events cap A and cap b is 0 point 1 Why are the events not independent?
When a softball player gets a hit, it can be a single, double, triple, or home run. When Josephine is at bat, the probability that she hits a single is 15 percent and the probability that she hits a double is 5 percent. What is the probability that Josephine hits a single or a double when she is at bat?
In a standard deck of cards there are four suits: spades, clubs, hearts, and diamonds. Each suit has one each of 13 cards: ace, king, queen, jack, 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , and 10 If event cap A is choosing a king, event cap b is choosing a heart, and event cap c is choosing a jack, which Venn diagram could represent this description?
Which events are independent? Choose three correct answers.
A bicycle manufacturer is studying the reliability of one of its models. The study finds that the probability of a brake defect is 4 percent and the probability of both a brake defect and a chain defect is 1 percent. If the probability of a defect with the brakes or the chain is 6 percent, what is the probability of a chain defect?
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