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Jaxson Corporation has the following data related to direct labor costs for September: actual costs are 10,200 hours at $15.75 per hour and standard costs are 10,800 hours at $15.50 per hour. What is the direct labor time(efficiency) variance?

In a survey of 15,200 college students, 5335 said they had smoked in the last 30 days. In another survey of 12,900 college students taken four years later, 3444 said they had smoked in the last 30 days. At α = 0.10, can you support the claim that the proportion of college students who said they had smoked in the last 30 days has changed? State the null and alternative hypotheses if the earlier sample is the first sample and the later sample is the second sample. Hints: You’re dealing with two independent sample PROPORTIONS . *  changed/different (2 tailed test)

In a simple random sample of 240 households, 112 used only cellphones for their phone service. Construct a 96% confidence interval to estimate the proportion of households using only cellphones as their phone service. Hint: Stats -> Tests-> 1propzinterval

The probability that a person has green eyes is 0.12. If 4 people are randomly selected, what is the probability that all 4 people have green eyes?   Hint: Probability that all 4 people have green eyes = p(1st one does) AND p(2nd one does) AND p(3rd one does) AND p(4th one does).  

What can be concluded? Hint: you know this 🙂

Mecamylamine is a plant that causes inhibition of Ach receptors. Its effect on the skeletal muscles will be ______

The EADA requires institutions that receive federal financial assistance to submit a report documenting their expenditures each fiscal year.

How many NCAA Division I collegiate athletics departments generated revenue in excess of overall athletic expenses in 2014-15?

In any person. The major factor determining when the bone remodeling occur is _____

Small districts or private schools often have a _____ organizational structure for interscholastic athletics.