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Consider two normally distributed random variables, X and Y, such that
Mean x= 2 and standard dev. x = 5Mean y= 2 and standard dev. y = 1
In other words, both variables have the same mean but different standard deviations. Draw rough sketches of the two normal curves on the same graph. BE SURE TO LABEL YOUR CURVES. Please show how you arrived at the answer.
Using equation presented calculate SST,SSE and SSr. Determine least squares regression line for this data.
Which of the following events are disjoint and What proportion of the females rated their intelligence less than 7.
Design a Linear programming problem for the flair Furniture Company and find the combination of tables and chairs that the company must produce to maximize profits.
To speed up the process in a blood testing procedure, blood samples from 3 people are combined into one mixture. The mixture will only test negative if all the individual samples are negative.
What type of error would result in that case? Respond to at least two of your classmate's postings.
Diastolic blood pressure (DBP) values were measured for 150 patients using two medical devices. The mean DBP values using the two devices are 120 and 122 respectively. Also the standard deviation of the difference of the measurements is 0.634. Te..
A coin is tossed 20 times. A person, who claims to have ESP is asked to predict the outcome of each flip in advance. She predicts correctly on 14 tosses.
The measure of forecast accuracy that is not influenced by the measurement scale of the time series data is:
You are the production manager of a company. Parachutes are woven in your factory using a synthetic fiber purchased from one of four different suppliers. The most important outcome for parachutes is strength of the fabric.
Findout the probability using normal approximation for the provided values. Findout the specified probability from a table of Normal probabilities.
A sample of 148 of our statistics students rated their level of admiration for Hilary Rodham Clinton on a scale of 1 to 7. The mean rating was 4.06 and the standard deviation was 1.70.
Find the sample size for the 95% confidence interval used to estimate the population proportion.
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