Mathematics, 03.01.2020 02:31, qhenley
We're testing the hypothesis that the average boy walks at 18 months of age (h0: p = 18). we assume that the ages at which boys walk is approximately normally distributed with a standard deviation of 2.5 months. a random sample of 25 boys has a mean of 19.2 months. which of the following statements are correct?
i. this finding is significant for a two-tailed test at .05.
ii. this finding is significant for a two-tailed test at .01.
iii. this finding is significant for a one-tailed test at .01.
a. i only
b. ii only
c. iii only
d. ii and iii only
e. i and iii only
Answers: 3
Mathematics, 22.06.2019 01:20, GreenHerbz206
Given: δabc, m∠1=m∠2, d∈ ac bd = dc m∠bdc = 100º find: m∠a m∠b, m∠c
Answers: 2
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