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With 80% confidence, for sample proportion 0.54 and sample size 30, what is the upper confidence limit with 2 decimal places?
What is the probability that the 49 balls traveled an average of less than 240 feet? Sketch the graph. Scale the horizontal axis for X .
For RL = 1 k±, what is the maximum possible value of Vp while an undistorted output sinusoid is obtained? Repeat (a) for RL = 200 _.
The superintendent of a unified school district of a small town wants to make sure that no more than 5% of the students skip more than 10 days of school in a year.
which is not a possible reason to choose the z distribution for a hypothesis test of a mean?a. the value of s is
A door-to-door sales person for a Household appliance has learned from her past experience that out of twenty demonstrations of her appliance
Compare the vital capacityfor the two groups.calculate a 99% confidence interval for the difference.the result of this comparison may be misleading.why?
Suppose that the teacher wants to limit the number of A grades in the class to no more than 20%. What would be the lowest score for an A?
Following internal reorganisation in a large brewing company, a comprehensive review of stock-control procedures is currently being undertaken.
(a) Compute the exponentially smoothed forecast of calls for each week. Assume an initial forecast of 50 calls in the first week and use a=0.01. What is the forecast for the 25th week?
1. the weekly mean income of a group of executives is 998 and the standard deviation of this group is 99. the
a researcher concerned about the foreign ownership of the retail trade industry in the u.s. conducts a survey of
a. Counselor talking to a student: "To improve your science grade, Susie, you must establish better study habits."
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