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According to the website of mars, 21% of m&m's produced are green. suppose 4 candies are selected at random and number of green recorded.
1. create a probability distribution for this situation.2. sketch the histogram3. find expected number of green candies if you randomly select 4 candies from bag of m&ms.
If the population standard deviation is σ = 10, can you conclude that the treatment has a significant effect? Use a two-tailed with α = .05.
Single group post-test and internal validity threats - Answer the question either by writing the design name or by describing the design using standard notation
Residents of Mill River have fond memories of ice skating at a local park. An artist has captured the experience in a drawing and is hoping to reproduce it and sell framed copies to current and former residents.
Under older Federal Aviation Administration rules, airlines had to estimate the weight of a passenger as 185 pounds. That amount is for an adult traveling in winter, and it includes 20 pounds of carry-on baggage.
Given that the landowner pays for the soundings test and the test indicates that gas is present, what is the landowner's revised estimate of the probability of finding gas in this site?
Determine whether the evidence is enough to reject the salesperson's claim. Establish the Null and alternative hypothesis, and choose the right test statistics.
Sketch the normal curve and shade the area under the curve that is the answer to the question do this on scratch paper and provide a one-sentence description for the assignment.
What would be a good example of a null and alternative hypotheses for a decision relevant in life? What Type I and Type II errors could occur with your decision-making process?
The president of the wholesale distributor is concerned about the possibility of stockouts causing a loss of customer confidence and loyalty and is interested in maintaining safety stock in inventory to prevent potential stockouts.
We are intersted in the number of students who prefer brand C cola. identify the distribution of the random variable and the mean,standard deviation.
With a single-sample t ratio, the null hypothesis states that:
The following table describes the asset allocation of your portfolio with the corresponding return in percentage, X, and the proportion of that specific asset in the portfolio, P(X).
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