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1. A manager of a gasoline filling station is thinking about a promotion that she hopes will bring in more business to the full-service island. She is considering the option that when a customer requests a fill-up, if the pump stops with the dollar amount at $9.99, the customer will get the gasoline free. Previous studies show that 70% of customers pay $10.00 or more when they fill up their gas tanks, so they would not be eligible for the free gas. What is the probability that a customer will get free gas at this station if the promotion is implemented?
2. The television schedule lists three different sitcoms in each of the three consecutive 30-minute time slots on channels, 2, 6, and 7
a) What is the probability that a person will randomly select programs using all three stations over the course of the 1.5 hours
b) Suppose you know that the person who will randomly select programs will watch at least two of the sitcoms on the same channel. Determine the probability that the person will watch all three sitcoms on the same channel
There are 25 students in a probability class. Assume that there are 365 days in each year, and that the birthrate is constant throughout the year.
The Starbucks in the Bauer College of Business found that 24% of customers purchase more than one cup of coffee per day from their shop. If 180 customers are randomly selected one day, what is the probability that no less than 25% of them purchase..
FBI Report do greater universities that tend to have more property crime. Keep a scatter diagram also sketch the line you think best fits the data.
If there are 500 students in the school, what is the probability that everyone will pass the exam?
How could your answer in question (a) change if you knew returns followed a skewed distribution instead of a normal distribution? Explain briefly.
Findout the consumption level separating the bottom 45% to the top 55%. The September energy consumption levels for single family homes are found to the normally distributed with a mean
Construct a frequency distribution of the sample mean, and plot a histogram of this distribution. Use the central limit theorem to calculate and identify the sampling distribution of the sample mean.
The assembly time for a product is uniformly distributed between 6 to 10 minutes. The probability of assembling the product between 7 to 9 minutes is
Let ≥ represent the true average area (in square feet) of these apartments. What are the appropriate null and alternative hypotheses?
Compute the 95% confidence interval around the mean of each of the three groups and plot the confidence interval in the space provided above.
In regression equation, the value of y-intercept indicates the value of Y when the value of X is zero.
How would the General Counsel's decision in Part (b) change if the cost of selling the second suit were only $200,000? What if the cost were $900000?
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