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Type your question here although most of us buy the mil by the quart or gallon, farmers measurdaily production in pounds. Jon cows average 39 pounds of milk a day with a standard deviation of 8 pounds. For jerseys the mean daily production is 43 pounds with standard deviation of 5 pounds. When shown the state fair, a champion jon and a champion jersey each gave 54 pounds of milk. Which cow milk production was more remarkeble?
Suppose an unfair coin comes up tails 42% of the time if it is flipped. If the coin is flipped 13 times, what is the probability that?
Sketch a scatter plot that could represent data from each of following. Label the axes to indicate the independent and dependent variable.
What information would we need to test the claim that the difference in monthly benefits between the two groups is greater than $30 at the 0.05 level of significance? Write out the hypotheses and explain the testing procedure.
suppose a coin having probability 0.7 of coming up heads is tossed three times. let x denote the number of heads that
A box in a certain supply room contains four 40 w light bulbs, five 60-W bulbs, and six 75-W bulbs. If two are randomly selected from the box and at least one of them is found to be rated 75-W.what is the probability that both of them are 40- W bu..
50 33 and 48 students are selected from the sophomore junior and senior classes with 496 348 and 481 students
An issue that faces individuals investing for retirement is allocating assets among different investment choices. A study conducted 10 years ago showed that 65% of investors preferred stocks to real estate as an investment.
What is your initial perception of this information? What are other ways, beyond looking at the p-value alone, you could use to try to interpret what this outcome of r(2398) = -.21 tells us about the relationship between length of time taking drug..
construct a confidence interval of the population proportion at the given level of confidence.x860 n1100 94
Assume that the population is normally distributed. Can we conclude, at the level of significance, that the mean lifetime of light bulbs made by this manufacturer differs from months?
A person claims to have ESP (extrasensory perception). A coin is tossed 16 times, and each time the person is asked to predict in advance whether the coin will land heads or tails.
A sample of 25 diff. payroll dept found that the employees worked an average of 310.3 days with a std dev. of 23.8 days. what is the 90% confidence interval for the average days worked.
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