Mathematics, 01.08.2021 04:00 Throwback633
For the following discrete probability distribution, x represents the number of dogs a dog-owning household has, and P(x) represents the probability that if you do own a dog, that is the total number of dogs that you own:
x | P(x)
1 | 0.35
2 | 0.44
3 | 0.19
4+ | 0.02
Use the chart above to determine what is the probability that if someone owns a dog, that the
own exactly 3 dogs?
Answers: 1
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Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.
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Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables
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For the following discrete probability distribution, x represents the number of dogs a dog-owning ho...
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