Mathematics, 07.04.2020 15:49 hannahchristine457
You plan to conduct a marketing experiment in which students are to taste one oftwo different brands of soft drink. their task is to corrctly identify the brand tasted .you selected a random sample of 200 students and assume that the students. have no ability to distinguish between the two brands. (hint :if an individual has no ability to distingish between the two soft drinks ,then the two brans are equally likely to be selected.)
a, what is the probability that the sample will have between 50% and 605 of the identifications correct?
b, the probability is 90% that the sample percentage is contained within what symmetrical limits of the population percentage?
c, what is the probability that the sample percentage of correct identifications is greater than 65%?
d, which is more likely to occur more than 60% correct identifications in the sample of 200 or more than 55% correct identifications in a sample of 1,000? explain.
Answers: 1
Mathematics, 21.06.2019 17:00
Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?
Answers: 3
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