statistics questions

1.In a​ survey, 32​%  of the respondents declared that they allocution to their pets on the answering apparatus or telephone. A veterinarian believed this aftereffect to be too​ high, so  hehe  randomly selected  250 pet owners and apparent that  70  of them batten to their pet on the answering apparatus or telephone. Does the veterinarian accept a appropriate to be​skeptical? Use the  alphaαequals=0.05  level of significance. 2.Test the antecedent application the classical access and the​ P-value approach. Upper H 0 : p equals 0.45 against Upper H 1 : p beneath than 0.45H0: p=0.45 against H1: p<0.45 n equals 150 breach x equals 62 breach alpha equals 0.05 Complete genitalia ​(a) through ​(c) below. ​(a) Determine the critical​ value(s) for a​ right-tailed analysis of a citizenry beggarly at the alphaαequals=0.05 level of acceptation with 20 degrees of freedom. ​(b) Determine the critical​ value(s) for a​ left-tailed analysis of a citizenry beggarly at the alphaαequals=0.05 level  of acceptation based on a sample admeasurement of nequals=15 ​(c) Determine the critical​ value(s) for a​ two-tailed analysis of a citizenry beggarly at the alphaαequals=0.01 level of acceptation based on a sample admeasurement of nequals=18 To analysis Upper H 0H0​: muμequals=100 versus Upper H 1H1​: muμnot equals≠​100, a simple accidental sample admeasurement of nequals=18 is acquired from a citizenry that is accepted to be commonly distributed. Answer parts​(a)-(d). Several years​ ago, the appear beggarly age of an bedfellow on afterlife row was 42.6 years. A sociologist wondered whether the beggarly age of a​ death-row bedfellow has afflicted back then. HeHe about selects 4141 ​death-row inmates and finds that their beggarly age is 40.8​, with a accepted aberration of 10.5. Construct a90​% aplomb breach about the beggarly age of afterlife row inmates. What does the interval​ imply? Choose the actual hypotheses.

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