15. What is the point estimate for u?
d. 1.6
a. 95%
b. 28
c. V10
16, What is the appropriate distribution?
a. Z
b. t
ds
c. p
P
17. What are the confidence coefficients?
a. 1.65
b. 1.96
c. 2.33
d. 2.58
18. The lower limit is approximately:
a. 27
b. 26.85
c. 26.81
d. 26.68
19. The upper limit is:
a. 29
b. 29.15
c. 29.19
d. 29.32
For nos. 20 – 25, In a learning style study, 1200 respondents were asked if they can assimilate
concepts while watching television. 586 said Yes. Find a 95% confidence interval for the
population proportion p.
20. What is a?
b. 0,01
c. 0.05
a. 95%
d. 0.10
21. What are the confidence coefficients?
b. 2.26
c. 2.33
d. 2.58
a. 1.96
22. What is X?
b. 586
c. 0.49
d. none of
a. 1200​