Hello, I have tried these a few times and i keep getting them wrong, would you please help me with these.

The additional growth of plants in one week are recorded for 11 plants with a sample standard deviation of 3 inches and sample mean of 12 inches. 3' at the 0.05 significance level = EEK: 1-234 _i Margin of erro'r = :Ex'|23_4 "i !_'" : Confidence interval = [Exg345mi [Elli 12-345 [1 {smaller value, larger value] an auto maker is interested in information about how long transmissions last. A sample of transmissiOns'are run oonstantli.r and the number of miles before the transmission fails is recorded. The auto maker claims that the transmissions can run constantly for over 150,000 miles hetere failure. The results of the sample are given below. MM rmgmm $.92 mm. p = 231.234 i @ "Untitled - Notepad I: x File Edit Format View Help Pick A The population is stated to be not skewed. The sample size is larger than 33.i mm minim-Ml 2 $.12! what condition is met for the use of a tdistribution'? fl- : iEx: 5 l.n'3_, Col35 i must. i WindowleRLF} i UTF-8 Degrees of freedom = 'EX: 5 __ s = lEx; 1.234