Solve for the specified variable.P = s1 + s2 + s3
for s1
A. s1 = P + s2 + s3
B. s1 = s2 + P - s3
C. s1 = s2 + s3 - P
D. s1 = P - s2 - s3
Answer: D
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A sample statistic and margin of error are given. Find the confidence interval likely to contain the population parameter of interest and answer the question.Ten years ago, according to government records, 17% of the population of Elmwood had no health insurance. This year a poll revealed that 21.0% were without insurance. The margin of error was 3.2 percentage points. Find a confidence interval for the true percentage without insurance this year. Can we conclude that the percentage without insurance has increased from ten years ago?
A. 19.4% to 22.6%; yes B. 17.8% to 24.2%; yes C. 14.6% to 21.0%; no D. 21.0% to 24.2%; yes
Solve the problem.Jose is applying to college. He receives information on 7 different colleges. He will apply to all of those he likes. He may like none of them, all of them, or any combination of them. How many possibilities are there for the set of colleges that he applies to?
A. 16 B. 128 C. 124 D. 7
Add or subtract as indicated.- 
- 
A. - 
B. - 
C. 
D. - 1
Solve the problem.A game company has fixed costs of $40,000 per year. Each game costs $12.00 to produce and sells for $18.00. How many games must the company produce and sell each year in order to make a profit of $95,000?
Fill in the blank(s) with the appropriate word(s).