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Business-Statistics Questions
ABC Bank has an average of 9 customer every two hours.
According to Gallup s annual poll on personal finances, while most U.K. workers reported living comfortably now, many expected a downturn in their lifestyle when they stop working. Approximately half said they have enough money to live comfortably now and
The monthly income (in RM‘000) for husband and wife in 8 households
A polling firm called 1,000 likely voters to ask about their political preferences. Of those polled, 520 indicated that they would vote for the incumbent candidate.
Consider t, a random variable distributed according to the t distribution with 10 degrees of freedom. Using the table attached, compute the following:
What level of income is required for a household to be in the top 10% of households?
Simple linear regression
A recent study focused on the number of times men and women who live alone buy take-out dinner in a month. Assume that the distributions follow the normal probability distribution and the population standard deviations are equal. The information is summar
Suppose that a university student has to take 10 independent courses in the final year. The class of honors awarded is based on the results of the final year examination. If a student gets A‐ or above for at least 8 courses, he/she will be awarded a first
A survey is carried out to study the number of hours, X, per day spent on using the Internet by the customers of an Internet Service Provider (ISP). Responses from 15 randomly selected customers give the following data:
hypotheses statement
The probability that it will be sunny tomorrow is 1/3. If it is sunny, the probability that Ali plays badminton is 4/5. If it is not sunny, the probability that Ali plays badminton is 2/5.
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