Score Tally PPR Frequency (f) N= (P-LB)fp 100 N + |(P-L + Cfp L.B.
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- The number of students, in a class of 35, who improve their score from the first midterm to the second midterm is it discrete or continuous?Total scores on Likert scales are computed by adding together the responses to all of the individual items that are checked. True FalseA factory has reported that 81%of their mechanical keyboards remain in a consumer's household over a year. Assuming a z-score of 1.96, calculate the margin of error for a batch of 500 keyboards. A. 3.5% B. 0.95% C. 2.2% D. 8%
- A manufacturer producing cocacola drinks wanted to set the specification of production to achieve process capability. He set his Upper Control Limit (UCL) = 0.03, proportion of defective items as 0.02. Calculate the number of sample observations (n) to be used to ensure 99.74 of the value.Assuming that the data are normally distributed, a. Determine the z-score such that the area to its right is 18%. z= b. Determine the z-score such that the area to its left is 91%. z=You are in the market for a used car. At a used car lot, you know the blue book value for the type of cars that you are looking at range from $40k to $50k. If you believe the dealer knows as much as you do about the cars as you do, what are you willing to pay in $s assuming the car values are symmetrically distributed?