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Mathematics, 09.07.2019 09:30 falldownguyss

*** , this is my third attempt on a quiz and i'm struggling.*** 1. a student is listening to songs that are on his phone. on his phone, he has 10 country songs, 15 pop songs, 5 r& b songs, 10 rap songs, and 5 techno songs (for a total of 45 songs). he set his phone to shuffle so that it randomly plays music. if the phone randomly selects the next song, what is the probability that it will play a pop song? a 2/9 b. 1/3 c. 1/9 d. 2/3 2.what is the probability of flipping a penny and a nickel and having them both land on heads? a. 12.5% b. 25% c. 50% d. 75% 3. alex went bowling. he managed to get 3 strikes after 15 attempts. if you were to suggest the probability that he gets a strike on his next attempt, what type of probability would you be using? a. subjective probability b. empirical probability c. theoretical probability d. authentic probability 4. kevin was a product tester at texas instruments. he was dropping calculators from a height of 5 feet on to a concrete surface. he found that out of 30 trials 6 of them were broken. based on these initial trials what is the probability that the next calculator he drops will not break? a. theoretical probability b. empirical probability c. subjective probability d. dependent probability 5. if the odds of an event happening is 3: 5, what is the probability of the event happening? a. 37.5% b. 40.0% c. 60.0% d. 62.5% 6. a special commercial about doritos is to be randomly played during the 210 minutes of the super bowl. if you had to leave to run an errand and miss 30 minutes of the game, what is the probability that you would still be able to see the beginning of the commercial? a. 14.3% b. 85.7% c. 75% d. 12.5% 7. what is the complement of a single die being rolled to a number greater than 2? a. rolling a 1 b. rolling a number greater than 3 c. rolling a number less than 2 d. rolling a 1 or a 2

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