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While the other manufacturer claims a superior product with a mean of 10V and a standard deviation of only 0.1V If 100 diodes from each manufacturer are measured, what is the probability that their
What is, approximately, the probability of drawing at random a sample of 5 vitamin drops with vitamin content between 60.25 and 60.75 mg? Answer to 3 decimal places.
Using the above data, what is the conditional probability that the death was accidental, given that the victim was male? Please use 3 decimal places.
Seven persons are staying at a hotel. The hotel has twenty-five floors, each with the same number of rooms. Each of the seven persons has been randomly assigned to one of the rooms in the hotel. Wh
A study was conducted to measure the effectiveness of a hypnotism in reducing pain. The measurements are centimeters on a pain scale before and after hypnosis.
Let X be the random variable for the number of times a fair dice is tossed before a six appears. Find E[X]. I tried by making X a geometric distribution and got E[X]=6. However the answer that is gi
Identify the null hypothesis, alternative hypothesis, test statistic, P-value, conclusion about the null hypothesis, and final conclusion that addresses the original claim. Use the P-value. Use the
You conducted a Chi-Square Goodness of Fit Test in your ASCI 691 capstone project. Unfortunately, you did not get the sample size you had hoped for during your research. You were able to get 55 in t
The US Senate Committee consists of 8 members. 5 members are Democrates and 3 are Republicans. A subcommittee of size 4 is to be chosen from the members of the Committee. In how ways may this subcom
An online computer retailer sells both desktop and laptop computers. Assume that 8% of the computers that the online retailer sells are desktops.
20 % of all cartons of milk ordered for school lunches are defective in some way. Five such milk cartons are randomly selected. Thus we have independence. What is the probability that none of the sl
Suppose that there are a total of 16 students in an elementary school class. The teacher assigns each of the students a report on a mainland country in either North America or South America (not inc
One out of 5000 individuals in a population carried a defective gene. A random sample of 1000 individuals is studied. This can be treated as either a binomal probability problem or a poisson problem
What is probability that neither Jane nor Janet gets and A? What is the condotional probability that jane gets and A given that Janet gets an A?
What do we mean when we say that a statistical result is significant? What is the difference between a statistically significant and a meaningful result? Why is statistical significance important?
What percentage of your points are within the 1, 2, or 3 Standard deviations from the mean? Calculate the standard deviation using Range Rule of Thumb.Compare to the usual results.
Find the mean and standard deviation for the normal distribution where 50% of the data falls between 73.25 and 86.75. Assume the data is symmetric about the mean.
What is the distribution for the difference between the two sample means? Specify the distribution, and give the numerical values of the mean and standard deviation. Justify the distribution chosen.
In a math class college there are 22 students. 17 of these students are forensic science majors and 5 are computer science major. The class professor randomly select five students to go to a mathema
A dry-cleaning shop claims that a new spot remover will remove more than 70% of the spots to which it is applied. To check the claim, the spot remover is applied to 16 randomly selected spots. If on
Conduct the experiment/study. Reach conclusions and state in English: Calculate the associated p-value.
An insurance company states that 90% of its claims are settled within 30 days. A consumer group selected a simple random sample of 200 of the company's claims and found that 164 of the claims were s
The length of conversations between supervisors and workers in a certain manufacturing industry is normally distributed with a mean of 4.0 minutes and a standard deviation of 0.8 minutes.
Name the scale of measurement that applies to each of the following situations:
The Acme Light Bulb Company claims that the lifetimes of its 100-Watt light bulbs follow a normal distribution with a mean of 325 hours and a standard deviation of 35 hours.