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The mean weight of luggage check by a randomly selected tourist-class passenger flying between two cities on a certain airline is 40 lb, and the standard deviation is 10 lb. The mean and standard deviation for a business-class passenger are 30 lb, and 6 lb, respectively. If there are 12 business-class passengers and 50 tourist-class passengers on a particular flight, what are the expected value of total luggage weight and the standard deviation of the total luggage weight?
Create a set of n observations from the binomial distribution with 1 trial and the event probability of 0.007, where n is your answer.
what is the sample space of all possible outcomes? Are the outcomes equally likely?
With this important detail, are there any significant differences with LSD?
Results of study are summarized below. Use a 5% level of significance and test claim that opinion is independent of brand.
Testing for population proportion - evidence that the proportion of data processing clerks who have gone through the new training and are no longer employed is less than .25?
How does bell-shaped curve for sampling distribution of sample means for samples of size n =120 compare tobell-shaped curve for sampling distribution of sample means for samples of size n =95?
The level of significance indicates the probability of rejecting a false null hypothesis.
Find the probability that fewer than 10 of those sampled currently have access to online services.
would this prove that they are exceeding their goal, using α = 0.025?
To give 98% confidence interval for population mean μ, you would use critical value.
Find out the probability that temperature of oven will range from 460 to 470 F?
Compute a 95% confidence interval for the mean using the formula and where is the mean of the ten random numbers.
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