Suppose the average lifespan of a lab rat is 3.4 years with a standard deviation of 0.8 years. If we obtain a simple random sample of 64 lab rats, what is the probability that the sample average lifespan is at least 3.65 years?
a) 0.0062 b) 0.9938 c) 0.4052 d) 0.0485 e) 0.9515
In: Statistics and Probability
During a given period, a stock had a realized return of 12%. During the same period, the risk free rate of return was 6% and the market return was 9% and this stock's beta was 0.8. Calculate this stock's abnormal return during the period in question. Group of answer choices 3.6% (4.2%) (3.6%) 4.2%
In: Finance
11. The Standard deviation of quarterly changes in the price of a commodity is $0.65, the standard deviation of quarterly changes in a futures price on the commodity is $0.81, and the coefficient of correlation between the two changes is 0.8. The minimum variance hedge ratio for a 3-month contract is:
a. 0.642
b. 0.732
c. 0.864
d. 0.997
In: Finance
Tharaldson Corporation makes a product with the following standard costs:
| Standard | Standard | ||
|---|---|---|---|
| Quantity or | Standard Price or | Cost Per | |
| Hours | Rate | Unit | |
| Direct materials | 5.7 ounces | $2.00 per ounce | $11.40 |
| Direct labor | 0.8 hours | $11.00 per hour | $8.80 |
| Variable overhead | 0.8 hours | $6.00 per hour | $4.80 |
The company reported the following results concerning this product in June.
| Originally budgeted output | 3,900 units |
|---|---|
| Actual output | 3,500 units |
| Raw materials used in production | 20,700 ounces |
| Purchases of raw materials | 21,800 ounces |
| Actual direct labor-hours | 6,000 hours |
| Actual cost of raw materials purchases | $42,600 |
| Actual direct labor cost | $13,900 |
| Actual variable overhead cost | $3,950 |
The company applies variable overhead on the basis of direct labor-hours. The direct materials purchases variance is computed when the materials are purchased.
The materials price variance for June is:
In: Accounting
In: Accounting
One of the most popular tourist destinations in the US is Las Vegas. Unlike many other destinations in the US, price discrimination is common in Las Vegas, with many businesses regularly offering discounts to local residents for food and drink, entertainment and even hotel rooms. Why do you suppose these local’s discounts are common in Las Vegas but not other US cities? How is this pricing policy similar to the one described for the Buddhist temple in Laos?
In: Economics
Do you think the price elasticity of either supply or demand for airline flights to France (from the U.S.) will increase, decrease, or remain the same for each event? Explain your answer.
Relations between the US and France break down, causing Americans to need an expensive visa to visit.
The price of oil for airlines increases.
The price of baguettes falls.
The French real estate market takes a dive, causing AirBnB and hotel prices to drop significantly.
In: Economics
Cindy moved to Seattle from Portland to work as a software engineer in 2002. Assume she meets the duration test. She incurs moving expenses of: $10,000 for the movers (she could have paid $5,000 for a cheaper moving company); hotel fees of $1,000 on route to Seattle, $100 in meals while on route to Seattle, and closing costs of $3,000 for her new home. All of these fees qualify for the moving expense deduction.True/False and Explain.
In: Accounting
Consider the game of craps designed by Econ 261 Hotel students. The game consists of rolling two fair six-sided dice. You win a dollar if the sum of the dots on the two dice is 2, 3, 4, or 5; if the sum of the dots on the two dice is 9, 10, 11, or 12 you lose a dollar. You win nothing, (that is you get $0) if the sum is 6, 7, or 8. The variance of X, Var(X) is:
In: Statistics and Probability
“Marriott International announced in November 2018 that attackers had stolen data
on approximately 500 million customers. The breach initially occurred on systems
supporting Starwood hotel brands starting in 2014. The attackers remained in the
system after Marriott acquired Starwood in 2016 and were not discovered
until September 2018.”(sourced from a published report)
Referring to the case given, list and explain 2 steps that can help prevent data breach like this.
In: Accounting