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Below are values for the resistances of 20 randomly selected resistors from a particular production process.
4.239 4.398 4.419 4.444 4.448 4.561 4.744 4.803 4.912 4.916
4.967 5.037 5.110 5.164 5.285 5.309 5.309 5.548 6.043 7.160
(a) Construct a normal probability plot for these data.
(b) Construct an 80% prediction interval for the resistance of a new ran domly selected resistor from this process.
(c) Construct an interval that will cover 80% of the population with 90% confidence.
Explain the value of test statistic using t distribution for the given value. Illustrate value of the t test statistic if you are testing a hypothesis.
Using the appropriate statistical table, what is the approximate p-value for this test? Construct and interpret the 99% confidence interval for the difference between the population means.
find the margin of error for mumew if x-bar 50 n 16 s 12 and c
Three are selected, at random, without replacement from the batch. What is the probability that the third is not defective given that one of the previous two are defective?
a random sample of 64 bearings produced by a machine has a mean diameter of 2.5 inches with a standard deviation of 0.1
In the past few years out sourcing over seas has become more frequently used than before by U.S. companies. However, out souring is not with out problems. A recent survey indicates that 20% of the companies that outsource over seas use consultant.
In her wallet, Susan has 12 bills. 6 are $1 bills, 2 are $5 bills, 3 are $10 bills, and 1 is a $20 bill. She passes a volunteer seeking donations for the American Red Cross and decides to select 1 bill at random.
1.Brandon Lang is a creative entrepreneur who has developed a novelty soap item called Jackpot to target consumers with a gambling habit.
You've administered a standardized test of manual dexterity to two groups of 10 semi skilled workers. One of these two groups of workers will be employed by you to work in a warehouse with many fragile items.
The 10year survival rate for bladder cancer is approximately 50%. If 20 people who have bladder cancer are properly treated for the disease,what is the probability that:
A number of years ago, there was a popular television game show called Let's Make a Deal. The host Monty Hall, would randomly select contestants from the audience and, as the title suggests
past experience shows that ever new book by a certain publisher captures between 4 and 12 of the market. what is the
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