= Guestion Heip In a survey, 43% of the respondents stated that they talk to their pets on the telephone, A veterinarian believed this result to be too high, so he randomly selected 160 pet owners and discovered that 65 of them spoke to their pet on the telephone. Does the veterinarian have a right to be skeptical? Use the a =0.01 level of significance. Because npo (1-Po) = 39.2 > 10, the sample size is less than 5% of the population size, and the sample is given to be random, the requirements for testing the hypothesis satisfied. are (Round to one decimal place as needed.) What are the null and alternative hypotheses? Ho: p = 0.43 versus H,: p < 0.43 (Type integers or decimals. Do not round.) Find the test statistic, zo- Zo = (Round to two decimal places as needed.)
Angles in Circles
Angles within a circle are feasible to create with the help of different properties of the circle such as radii, tangents, and chords. The radius is the distance from the center of the circle to the circumference of the circle. A tangent is a line made perpendicular to the radius through its endpoint placed on the circle as well as the line drawn at right angles to a tangent across the point of contact when the circle passes through the center of the circle. The chord is a line segment with its endpoints on the circle. A secant line or secant is the infinite extension of the chord.
Arcs in Circles
A circular arc is the arc of a circle formed by two distinct points. It is a section or segment of the circumference of a circle. A straight line passing through the center connecting the two distinct ends of the arc is termed a semi-circular arc.
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