Question
1) Which of the following is a characteristic of the binomial distribution? The probability changes from trial to trial The outcome of each trial depends
1)
Which of the following is a characteristic of the binomial distribution?
The probability changes from trial to trial | ||
The outcome of each trial depends on the outcome of the previous trial | ||
Each trial typically has 3 outcomes | ||
The probability of success is constant, trial to trial |
2)
A coin is weighted so that it turns up heads 60% of the time. If the coin is flipped 10 times, and the flips are independent of each other, the distribution is
binomial, with n = 60 and p = 1/10, or 0.1 | ||
binomial, with n = 10 and p = 0.6 | ||
binomial, with n = 10 and p = 1/2, or 0.5 | ||
not binomial |
3) If a binomial distribution has a success probability of 0.32, then what would be the probability of failure?
4) If a binomial distribution has a success probability of 0.07, then what would be the probability of failure?
5) What would be the value of the mean for a binoial distribution that 170 trials and a success probability of 0.88?
6) What would be the value of the mean for a binoial distribution that 140 trials and a success probability of 0.76?
7) Rounded to 4 decimal, what is the standard deviation of a binomila distribution that uses 85 trials with a success probability of 0.47?
8) Rounded to 4 decimal, what is the standard deviation of a binomila distribution that uses 177 trials with a success probability of 0.39?
9) A binomial distribution with 9 trials has a success probability of 0.25. What is the probability the number of successes found is 4 or 5? Round to 4 decimal places
10) In a binomial distribution with 10 trials and a success probability of 0.8, what would brthe probability of a success on every trial? Round to 4 decimal places.
11) A binomial distribution with 8 trials has a success probability of 0.1. What is the probability the number of successes found is 2? Round to 4 decimal places
12) In an ESP test, a card is marked with one of 6 symbols. A subject, who is blindfolded, is then ask to identify the symbol on the card. If the subject just guesses, and is asked to identify 6 cards, what is the probability of getting 2 correct?
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