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A machine that is used to ?ll bottles with soda has been observed to have a true standard deviation in the amounts of ?ll of approximately σ = 1.25 ounces. However, the mean ounces of ?ll μ may change from day to day, because of change of operator or adjustments in the machine. If n = 55 observations on ounces of ?ll are taken on a given day, ?nd the probability that the sample mean will be within 0.5 ounce of the true population mean. State any assumptions.
Suppose the budget has the support of 53% of voters. What is the probability that the newspaper's sample will lead it to predict defeat? The probability is...........round to 2dp.
What is a proportion of engineers in the company with salaries between the percentiles below? Upper 5th for x = x0.05 =92450 Lower 5th for x =x.95=59550
Provide an example of an application of the normal distribution. Explain why standard normal distribution can be used to find the probabilities for all normal distributions?
What is the probability that tomorrow's return on your investment in ABC is somewhere between -1% and +.5%?
data from previous years reveal that the distribution of the final exam scores in an introductory stats class is
Find the five-number summary for this data set and Create a basic boxplot for data set. You do not need to attach it to this assignment. What appears to be the shape of the data distribution of speeds on this road?
Then, define probability value in your own words and explain how a probability value of .05 in this example is related to the normal curve.
If 100 percent of a days production is inspected whenever the sample of 10 gives 2 or more defectives, then what is the pobability that 100 percent of a days production will be inspected?
If the manufacturer sells the parts in packages of 10 parts, what are the mean and standard deviation of the number of useable parts in a package?
Use relative frequencies to estimate the probability that a seed will germinate, What is your estimate?
a toll bridge charges 1.00 for passenger cars and 2.50 for other vehicles. suppose that during daytime hours 55 of all
in a brand awareness study of 80 consumers 52 of them were able to identify corolla as a type of toyota automobile. the
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