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Your company manufactures low calorie frozen dinners. The advertised calorie content is 200 calories. A consumer activist group, FACT: fat and calories tribunal, is claiming that your product is not consistent. In fact, they contain more than 200 calories. Run a hypothesis test proving that your dinners are less then 200 calories.
CALORIES / DINNER
221
198
203
223
296
202
219
189
208
215
218
207
At.05 significance level, can we conclude that larger proportion of the agents think the economy is expanding this month?
At α = .05, is there a difference in variances? Illustrate all steps clearly, including the illustration of the decision rule.
Assume that the distribution is normal. Based on empirical rule how many students scored between 51 and 79.
Which of these statements is NOT true about CPM and PERT?
A mathematical placement test is given to all entering freshmen at a small college. A student who receives grades below 35 is denied admission to the regular mathematics course and placed in a remedial class.
List the elements of the sample space S using the letters G and D for good and defective respectively. What is the mean number of defective hard drives that the small business receives if all their shipments come in sets of five that contain the sa..
Find the critical values and identify the rejection regions. Calculate d and sd. Use the t-test to find the standardized test statistic t. decide whether to reject or fail to reject the null hypothesis.
Under what situations must the nonparametric test be used? Describe in detail. Write down the strengths and weaknesses of nonparametric tests?
You have picked out the carton of 1 dozen eggs (that's 12 eggs) at grocery store. Find out the probability that at most two of eggs in carton are cracked.
The drug Ancrod was tested in a double-blind clinical trial in which subjects who had strokes were randomly assigned to get either Ancrod or a placebo.
The mean number of passengers per flight is 160 with a standard deviation of 20. The aircraft used for the route has 200 seats.
one class of 40 students complain that they were harshly graded in the examination as l0 students received A or B ; 17 received a C ; and the rest received a D or lower. QUESTION: Is the class's complain about harsher grading justified? ( use a : 0..
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