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Consider a large population with a mean of 170 and standard deviation of 25. A random sample of size 36 is taken from the population. Calculate the standard error of the sampling distribution of this sample mean and round your answer to the hundredths place.
Suppose a single pineapple is selected at random from last years crop. What is the approximate probability that it weighs more than 35 ounces show work.
a normal distribution has a mean of 25 and a standard deviation of 3. find the value above which there is a .70
george is curious. he has been told that the average body temperature of humans is 98.6 degrees fahrenheit. however he
Estimate the true mean price for this particular model with 95% confidence?
a it is known that the annual snowfall totals in maine are normally distributed with a mean of 80.3 inches and a
Create a 95 % confidence interval for the true mean. Why might normality be the issue here?
How large a sample is needed to find the population mean within $250 at 99 percent confidence?
specimens of blood from 10 different animals were analyzed for blood count say y in units of 100 and packed cell volume
under a recent u.s. food and drug administration fda standard for food contaminants 3.5 ounces of tomato sauce can have
Find a value of p such that when 10,000 bits are received, the expected number of errors is at most 10 and using this value of p what is the probability of no errors? Of at least 1? of at least 10?
Explain the difference between a left tail, two-tailed, and right tailed text. When would we choose a two tailed test? How can we tell the direction by looking at a pair of hypothesis?
Let x be a random variable that represents a braking distance. Find the probability that a randomly selected braking distance is less than 49 meters.
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