A Random Sample of 25 College Males Was Obtained and Each

Multiple Choice

A random sample of 25 college males was obtained and each was asked to report their actual height and what they wished as their ideal height. A 95% confidence interval for $\mu$ _d = average difference between their ideal and actual heights was 0.8"to 2.2". Based on this interval, which one of the null hypotheses below (versus a two-sided alternative) can be rejected?

A) H₀: $\mu$ _d = 0.5
B) H₀: $\mu$ _d = 1.0
C) H₀: $\mu$ _d = 1.5
D) H₀: $\mu$ _d = 2.0