a. Find the margin of error E for a 95% confidence interval. (5 points)
Round your answer to the nearest hundredths. . (References:
definition of margin of error on page 312 and example 2 on
b. Construct a 95% confidence interval for the mean life, of all Twinkle bulbs. (5 points) (References: example 5 page 315, end of section exercises 51 - 56 pages 319 - 320)
Recently Asked Questions
- Suppose a consumer's preferences for two goods can be represented by the Cobb-Douglas utility unction U(x,y)=A*x a *y B , where A, a, B are positive constants.
- Project 1 – part 1 (Group assignment) One submission per
- If the demand for loanable funds shifts to the right, then initially there is a A. surplus so the interest will fall B. Surplus so the interest rate will rise