Find the minimum sample size n needed to estimate u for the given values of c, o, and E. c= 0.95, o = 8.2, and E = 1 Assume that a preliminary sample has at least 30 members. n = (Round up to the nearest whole number.)

A researcher is interested in investigating whether living situation and pet ownership are dependent. The table below shows the results of a survey. Frequencies of Living Situation and Pet Family Single Couple Dog 98 81 81 Cat 104 76 73 Various 50 51 59 None 67 42 35 What can be concluded at the a = 0.05 significance level? %3D a. What is the correct statistical test to use? O Paired t-test O Independence O Goodness-of-Fit O Homogeneity b. What are the null and alternative hypotheses? Но: O Pet ownership and living situation are independent. O Pet ownership and living situation are dependent. O The distribution of pets is the same for each living situation. O The distribution of pets is not the same for each living situation. H1: O The distribution of pets is the same for each living situation. O Pet ownership and living situation are independent. O Pet ownership and living situation are dependent. O The distribution of pets is not the same for each living situation. (Please show your…

Calculate the smallest sample size required to estimate the population mean under the specifications shown below.   a. confidence level 90​%, σ=19​, and e=6 b. confidence level 95​%, σ=23​, and e=0.7 c. confidence level 98​%, σ=0.5​, and e=1 d. confidence level 99​%, σ=1.4​, and e=0.6 e. confidence level 98​%, σ=5​, and e=

Determine and from the given parameters of the population and sample size. 77, 9, n = 37 X (Round to three decimal places as needed.)