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Find out at the 5% level of significance, weather the processor should reject this shipment. Carry out the appropriate hypothesis test and state your conclusion.
The Capital Asset Pricing Model is a financial model that supposes returns on portfolio are normally distributed. Assume a portfolio has an average annual return of 14.7% (i.e. an average gain of 14
An urn haves 16 balls: 10 green and 6 black. A second urn haves 15 green balls and unknown number of black balls. A single ball is drawn from each urn. The probability that both balls are of differ
For an electrical component with failure rate of once every 5 hours, it is significant to suggest the time that it takes for 2 components to fail.
Scores upon an exam follow an approximately Normal distribution with a mean of 76.4 and a standard deviation of 6.1 points. What is the minimum score you would need to be in the top 10%?
Point out why a correlation would be the appropriate analysis for this research question. Explain the variables and their scale of measurement. Describe the expected outcome (i.e., positive, negative,
Determine a research question from your professional life (retail) or career specialization (clinical psychology) that can be addressed by a one-way ANOVA.
It is known by researchers that 1 in 100 people carry gene which leads to the inheritance of a certain chronic disease. In a random sample of 1000 individuals, what is the probability that fewer tha
The mean score of competency test is 74, with standard deviation of 4. Employ the Empirical Rule to determine the percentage of scores between 62 and 86. (Assume the data set has a bell-shaped distrib
Determine the probability that the return will be less than 25% Determine the expected value of the return? (d) Find the 75th percentile of returns.
Below is a probability distribution of number of siblings for those living in the US and currently married. Find the expected number of siblings.
A password for computer includes four characters. Each character might be a digit, an uppercase (or capital) letter or a lowercase (small) letter, and characters may be repeated. Determine the numbe
In what research conditions should the paired samples t test be used rather than the independent samples t test?
Describe that the median time to failure is less than the MTTF for constant hazard components.
An airline charges the following baggage fees: $25 for first bag and $35 for second. Assume 54% of passengers have no checked luggage, 34% have one piece of checked luggage and 12% have two pieces.
Annie's pretzels makes regarding 200 pretzels per day. Demand for Annie's pretzels varies but is primarily stable. Annie's supposes that the business follows normal distribution with mean 190 pretz
Assume the mean is $179,114 and standard deviation is $56,588. Suppose those answers are the population quantities and employ those numbers to estimate the percentage of all houses sold for more th
The average age of piñon pine trees in coast ranges of California was investigated by placing 500 ten-hectare plots randomly on a distribution map of the species in California using a compute
As in other vertebrates, individual zebrafi sh differ from one another along shy-bold behavioral spectrum. In addition to other differences, bolder individuals tend to be more aggressive, whereas sh
It has been found that the metal part has its tensile strength normally distributed, with a mean of 55 lb and a standard deviation of 5 lb. Calculate the number of parts failing to meet the minimum
In order to cover fixed costs, the firm's sales should exceed the break-event level of 1.8 million. Determine the probability that sales will exceed the break-even level? Find out the sales level th
Throughout the summer months of June, July, and August, an average of 5 marriages per month take place in a small city. Assuming that these marriages occur randomly and independently of one another,
A class includes 14 men and 22 women. A group of five is chosen at random. Find out the probability that the group consists of each: (give answer to decimal places) Please show by steps.
Determine the probability that he finds out at least three of the trucks with pollutants above the accepted level? Determine the expected number of trucks with pollutants above the accepted level he w
Assume that the format for license plates in a certain state is two letters followed by four numbers.