Q: A sample of size 36 is taken from a population with unknown mean MU and standard deviation SIGMA = 3. A 95% confidence interval for MU is: (a) XBAR +/ XXXXXXXXXX/2) (d) MU +/- 1.64(XBAR) (b) XBAR...

Q: A sample of size 36 is taken from a population with unknown mean MU and standard deviation SIGMA = 3. A 95% confidence interval for MU is: (a) XBAR +/- 1.96(1/2) (d) MU +/- 1.64(XBAR) (b) XBAR +/- 1.96 (e) MU +/- 1.96(SIGMA) (c) XBAR +/- 1.64(1/4)

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1445-1

Q: The mean weight of a random sample of 16 dogs on the quad is 58 lbs. with a sample standard deviation of 8 lbs. A 95% confidence interval for the mean weight of dogs on the quad is: a) 58 +/- (1.96*2) b) 58 +/- (2.13*2) c) 58 +/- (1.96*4) d) 58 +/- (1.75*2) e) 58 +/- (2.33*4)