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Assume that the number of customers who arrive at a water ice stand follows the Poisson distribution with an average rate of 6.4 per 30 minutes. What is the probability that exactly five customers will arrive during the next 30 minutes?
Question 7 options:
1) 0.0215
2) 0.0943
3) 0.1487
4) 0.3070
Explain the logic of what you have done, writing as if you are speaking to someone who has never heard of correlation (but who does understand the mean, deviation scores, and hypothesis testing);
snowfalls occur randomly and independently over the course of winter. the average is one snowfall every 3 days.a what
Given the following data from two independent samples, conduct a one-tailed hypothesis test to determine if the first sample mean is larger than the second sample mean, given a 0.05 level of significance.
the national average sat score for verbal and math is 1028. if we assume a normal distribution with o92 what is the
a brand of television has a lifetime that is normally distributed with a mean of 7 years and a standard deviation of
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Results from survey of 1000 respondents, point out that 545 favour the dealth penalty for capital crimes. By using a90% confidence level. Create confidence interval estimate for population proportion.
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