Chapter Exercise 9-80 At Ajax Spring Water, a half-litre bottle of soft drink is supposed to contain a mean of 513 ml. The ﬁllingprocess follows a normal distribution with a known process standard deviation of 9 ml. (3) The normal distribution should be used for the sample mean because (You may select more than one answer.
Click the box with a checkmark for the correct answer and click to empty the box for the wrong answer.) the sample population has a large mean.the population distribution is known to be normal. the population standard deviation is known. the standard deviation is very small. (b) Set up hypotheses and a two-tailed decision rule for the correct mean using the 5 percent level ofsigniﬁcance. The hypothesis for a two-tailed decision is a. Hg: u¢513, H1:,u = 513, reject ifz < -1.96 orz > 1.96b. H0: ,u¢513, H1: ,u = 513. reject if > 1.96 or < -1.96c. H0: ,u= 513, H1: ,u# 513, reject ifz> 1.96 orz< -1.96d. H0: ,u =513, H1: p¢ 513, reject if > -1.96 orz < 1.96 if) C) C) C)D. n U n: (c) If a sample of 16 bottles shows a mean ﬁll of 517 ml, does this contradict the hypothesis that the truemean is 513 ml?’A No Ak Yes
Get Statistics homework help today
The post Normal Distribution Assignment appeared first on mynursinghomeworks.