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Describe a real-life situation where Pascal's Triangle can be used to calculate probability. Is this the best method for solving your calculation?If yes, why? If not, what other principle would you use?
The manager of Sam's Food Mart guarantees that none of his cartons containing a dozen eggs will contain more than one bad egg, despite the fact that 4% of individual eggs are known to be bad. Define the random variable x to be the number of bad eg..
For each of the following two scenarios/descriptions (pp.2), please select two responses, one to indicate the most appropriate test of inference
Give an ending for the below statement.Last week Tom had exams in Statistics and in English. He scored 10 points above the mean on both exams. From this information, you can conclude.
Assume the arrival of these emails is approximated by the Poisson distribution.
From historical data, Harry's Car Wash estimates that dirty cars arrive at the rate of 10 per hour all day Saturday. With a crew working the wash line, Harry figures that cars can be cleaned at the rate of one every 5 minutes.
Karefree State University has an enrollment of 18,000. Researchers took a sample of 900 and found 477 students wanted a Field Hockey team. Construct the 95% and 99% Interval estimates for the population proportion.
A customer wants delivery to be ensured between 10 am and 2 pm. Your truck leaves the factory at 4 am and time taken to reach the customer is normally distributed with an average of 8 hrs and a standard deviation of 1 hr.
When would you use hypothesis testing and when would you use confidence intervals?
What will be measurable data in this case and (assume a survey will be conducted and or data can be obtain). What will be at least two independent variables and one dependent variable. (and assuming they are consistent with the collected data)
At the 5% level of significance, can we infer that the difference in the level of satisfaction with service between the two branches is wider than 5 p.c. points?
The probability of an randomly selected person quits a team is 0.125. Assume the team has n members. Determine the smallest n that the team needs to have if the probability of the team has at least 20 members left is 0.9.
Determine and plot the probability mass function and probability distribution function of the contract award amount (in millions of dollars).
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