9 to 11 oximately normal.====><><><><><><><><><>=633633E1. Which statement best describes aparameter? (5) A parameter is a numericalmeasure of a population that is almost alwaysunknown and must be estimated. (9) Aparameter is a level of confidence associatedwith an interval about a sample mean orproportion.(4) A parameter is a sample size thatguarantees the eror in estimate is withinacceptable limits.==========>3E1. If an interval estimate is said to beconstructed at the 90% confidence level, theconfidence coefficient would be(4)0.01 ()0.05 (p)0.95 (v)0.10 (0) 0.90===========3E1. Answer the question True or False:One way of reducing (decreasing) the width ofa confidence interval is to reduce (decrease) thesize of the sample taken. (u)True (n) False========<>><>3E1. The amount of time required for an oil andfilter change on an automobile is normallydistributed with a mean of u=45 minutes and astandard deviation of a 10 minutes. A randomsample of n=16 cars is selected. What is theσStandard Error = of the mean?In(p)4.5 Minutes (n) 4.0 Minutes (r)2.5 Minutes(P)11.25 Minutes (M) 2.8125 Minutes>=D>=D>=D>=D>=D>=D>=D>3E1. Suppose a 95% confidence interval forC

We have to check the statements to describe the parameter. Note : Since you have asked multiple…

approximately normal. ========365063349 3E1. Which statement best describes a parameter? (5) A parameter is a numerical measure of a population that is almost always unknown and must be estimated. (9) A parameter is a level of confidence associated with an interval about a sample mean or proportion. (4) A parameter is a sample size that guarantees the eror in estimate is within acceptable limits.