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The chilbirth weights (in kilograms) are recorded for a sample of 36 male born to mothers taking a B vitamin supplement. The results are as follows:
the past studies that the average weight of all male babies is 3.39 kg. Does it appear that vitamins given to mothers makes a difference in a baby's birth weight, using a 0.05-level of significance. What is the exact margin of error?
The test is inclusive at the 0.05 level of significance. In other words, we do not feel confident enough, based on our sample, to reject the null hypothesis and accepted the alternative.
It seems that the weight of babies whose mothers get the special vitamin supplement are significantly different from other babies, and the margin of error of this statement is approximately 0.027 or 2.7%.
It seems that the weight of babies whose mothers get the special vitamin supplement are not significantly different from other babies. The margin of error is 10% or more.
The mean yearly rainfall in Sydney, Australia is about 137 mm and the standard deviation is about 69 mm. Assume rainfall is normally distributed.
For each customer that calls into ABC credit card billing service call center, at the end of the phone conversation, the call center representative
Is the equilibrium price higher or lower, or is the change indeterminate. Is the equilibrium quantity higher or lower, or is the change indeterminate.
In June 2008, the U.S. retail gas price jumped from $3 to $4 a gallon. This is a 33% increase in price from January 2008. During that time, the total quantity of gasoline purchased fell by 3%. Supplies of gasoline produced also decreased from one mil..
Provide an example for each about decision-making, interaction and workings of economy. Explain how that influences marginal benefits and marginal costs associated with decision to purchase a house.
Consider an inflation shock example where the o ¯ term jumps (positively). Given parameter values o ¯ = 9% (the exogenous price shock), a ¯ = 0, b = .6, m ¯ = 1, v ¯ = .4, and π ¯ = 3%, solve for the value of short-run output and the inflation rate f..
What market structure is used to benchmark allocative efficiency and why do we use it?Illustrate and explain using a diagram.Why and how do monopolistically competitive firms fail to achieve allocative efficiency? Illustrate and explain using a diagr..
Find the probability that the fencer finishes the tournament with at leaset one working blade?
Explain how a honeypot works and why we would want to implement them in the enterprise.
You run a small pizza shop named Pizza Hat. Initially you sold pizzas for $8 and every week you sold around 3000 pizzas. Each pizza costs you $3 to make.
Connecticut recently reported that it expects its pension funds to earn 8% or more per year. This is highly optimistic. What behaviors might their pension fund managers engage in in order to get these returns?
Provide a rationale for your response and provide constructive feedback on strategies and rationales posted by your peers.
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