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It has been found that the scores on the Critical Reading portion of the SAT (Scholastic Aptitude Test) exam are normally distributed with mean 501 and standard deviation 112 . Use the normal distribution to answer the following questions:
(a) What is the estimated percentile for a student who scores 705 on Critical Reading?
(b) What is the approximate score for a student who is at the 34th percentile for Critical Reading?
suppose that a device stops working if one of its five components fails and suppose that the lifetimes of the five
financial managers inc buy and sells a large number of stocks routinely for various accounts that it manages. portfolio
Suppose that in another study, 42 people used an herbal supplement and a high-fiber, low-calorie diet to lose weight. The mean weight loss of this group was 7.05 pounds and the standard deviation was 7.28 pounds. Test the mean weight loss of this g..
Write the stems again, and rearrange the leaves in increasing order out from each stem. We are interested in the distribution of the data? What would be appropriate to display this?
the thickness of eight pads designed for use in aircraft engine mounts are measured.the measurements are 41.83 42.68
A recent survey by the insurance company showed the following probabilities for the number of bedrooms in each insured home. Find the standard deviation for the distribution.
the u.s. dairy industry wants to estimate the mean yearly milk consumption. a sample of 17 people reveals the mean
A financial institution has decided to open an office in a certain commu- nity if it can be established that the median annual income of families in the community is greater than $90,000. To obtain information, a random sample of 80 families was ..
Determine the probability that person's monthly gasoline (gallon) purchases will be less than 67 gallons.
What is the difference between the Kruskal-Wallis test and the one-way ANOVA?
Ailín is the recently appointed purchasing manager of firm manufacturing folding bicycles.
If so, determine the overall mean and standard deviation for all the units measured, then compute and interpret the Process Capability Index if the specification limits are USL 5 33.700 pounds and LSL 5 21.700 pounds.
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