Test the manager claim at significance level
A department store manager claims that at least 45% of persons who visited this store make a purchase. In a sample of 400 persons who visited the store 150 made a purchase. Test the manager's claim at the 3% significance level.
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Assuming that the manufacturer's claim is correct, what is the probability the mean of the sample is 37,650 miles or less?
A machine is designed so as to pack 300ml of a solution with a standrd deviaion of 5ml. A sample of 150 bottles when measure had a mean content of 201.3ml. Test whether the machine us functuioning properly (use 5% level of significance.
You also measure that the half-life of the Winease catalyzed conversion is 10 sec. If you start with 100mM of Lemonade, approximately how much Lemonade will remain after 100 sec?
Discuss the four factors that determine how useful information is to a manager, and give a specific business example of each of these factors in a specific business situation of your choosing.
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A scientist conducts research on a sample of DNA that contains 200 nucleotides. Her results show that adenine makes up 30% of the sample and cytosine makes up 20% of the sample.
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Which artery is a significantly different length between mature males and females? Why?
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