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Day trading again. An option to buy a stock is priced at $200. If the stock closes above 30 on May 15, the option will be worth $1000. If it closes below 20, the option will be worth nothing, and if it closes between 20 and 30 (inclusively), the option will be worth $200. A trader thinks there is a 50% chance that the stock will close in the 20 30 range, a 20% chance that it will close above 30, and a 30% chance that it will fall below 20 on May 15.
a) Should she buy the stock option?
b) How much does she expect to gain?
c) What is the standard deviation of her gain?
Eighteen first interviews are usually scheduled per day. What is the probability that the average length of time for the eighteen interviews will be 40 minutes or longer?
explain clearly and in detail why a person that simultaneously flips 1023 pennies in the air will nevertheless
The following table lists the annual amounts of glass cullet produced by Kimble Glass Works, Inc. Scrap. Determine the least squares trend equation. Estimate the amount of scrap for the year 2008.
The mean height of American men aged 20-29 is 70.0 inches, with a standard deviation of 3.0 inches (Statistical Abstract of the United States: 2009, 2008).
What percent lie above 250 mg/100 mL? Does a cholesterol level of 280 appear to be extremely high for this sample?
Student A and B took different statistics classes and 2 different finals. Student A had a score of 83 out of 100 and ranked 72 in his class. Student b scored 85 out of 100 and he ranked in the 70 percentile of his class.
Two mercury manometers, one open-end and the other sealed-end, are attached to an air duct. The reading on the open-end manometer is 28 mm and that on the sealed-end manometer is 809 mm.
Explain how the null hypothesis is the basis of this calculation. Determine the value of the relevent test statistic and the corresponding p-value.
a random sample of n items is to be selected from a large lot and the number of defectives y is to be observed. what
Unlike the small logistics models presented here, real world logistics problems can be huge. Imagine the global problem a company like FedEx faces each day.
In 1736, a famous Swiss mathematician Leonhard Euler (1707 - 1783) started the work in the area of Graph Theory.
What is the projected demand for the test equipment for time period 25 based upon using a 3-month moving average forecast model - What are the bias, mean absolute deviation
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