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4. Although most of us buy milk by the quart or half gallon, farmers measure daily production in pounds. Ayreshire cows average 47 pounds of milk a day with a standard deviation of 6 pounds. For Jersey cows, the mean daily production is 43 pounds with a standard deviation of 5 pounds. Assume the milk production for these breeds is normally distributed.a. We select an Ayreshire at random. What is the probability that she produces more than 50 pounds of milk a day?b. A farmer has 20 Jerseys. What is the probability that the average production of this herd exceeds 45 pounds of milk a day?c. What is the probability that this herd of Jersey produces an average of less than 38 pounds of milk per day? d. A neighboring farmer has 10 Ayreshires. What is the probability that his herd has an average daily milk production greater than greater than 50 pounds.e. What is the probability that the mean milk production of this herd of Ayreshires is within 10 pounds of the mean?
Tree diagram for a probability experiment - Identify the sample space of the probability experiment and determine the number of outcomes in the event. Show a tree diagram if it is appropriate.
The mode for a set of n = 50 responses to this question. Which of the following statements accurately describes the measures of central tendency?
A company sells two products (Product 1 and Product 2) that tend to be substitutes for each other. That is, if a customer buys Product 1, she tends to not buy Product 2, and vice versa.
What is Optimal solution? Using Linear Programming or any other methods (Optional) Explain in Detail What does it mean "Optimal Solution"?
a) yes, because the tst value -3.46 falls in the noncritical region. b) no, because the test value -1.98 falls in the critical region. c) yes, becasue the test value -3.46 falls in the critical region. d) no because the tst value -1.98 falls in the n..
What are the limitations and assumptionbs of the t-test? What are some examples in your field (Nursing) for which you might use a t-test to compare a sample to the population and why?
The retailer is interested in their preferences. List the possibilities for preference arrangements among the four customers.
He will then compare the season batting averages of group A (those with ballet training) and group B (those without ballet training) by comparing the mean of group A with the mean of group B.
If you assume returns follow a normal distribution, which investment would give a better chance of getting at least a $40 million return? Explain how your answer could change if you knew returns followed a skewed distribution instead of a normal d..
Make a forecast for 2005, using a trend model of your choice or a judgment forecast. Discuss. Note: Time increments are 5 years, so use t = 6 for your 2005 forecast.
Standard deviation of Rs. 1000. assuming the starting salaries follow a normal distribution: What is the probability that the starting salary will be more than Rs. 12000.
Is there evidence of a significant difference in the variance of the access read times for the three file sizes? Test at the 95% confidence level.
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