tcritical i II
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.
![A random sample of 22 observations taken from a population that is normally distributed produced a sample mean of 58.5 and a standard deviation of 7.5.
Find the range for the *p*-value and the critical and observed values of *t* for the following test of hypothesis, using \(\alpha = 0.01\).
\(H_0: \mu = 55\) versus \(H_1: \mu \neq 55\).
Round your answers for the values of *t* to three decimal places.
- \(t_{\text{critical left}} =\) [Input Box] [Information Icon]
- \(t_{\text{critical right}} =\) [Input Box] [Information Icon]
- \(t_{\text{observed}} =\) [Input Box] [Information Icon]
Note: The image includes input boxes for entering values and information icons likely linked to additional explanatory content.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb58cb154-e620-4a2d-9fe1-63caab1a97a3%2F4626d5ad-449d-49a4-8a44-15bdb5265789%2F37u062n_processed.jpeg&w=3840&q=75)
![A random sample of 17 observations taken from a population that is normally distributed produced a sample mean of 42.4 and a standard deviation of 8. Find the range for the p-value and the critical and observed values of t for each of the following tests of hypotheses using, α = 0.01.
Use the t distribution table to find a range for the p-value.
Round your answers for the values of t to three decimal places.
a. \(H_0: \mu = 46\) versus \(H_1: \mu < 46\).
- \(0.025 < p\text{-value} <\)
- \(t_{\text{critical}} =\) [value needed, not provided]
- \(t_{\text{observed}} = -1.856\)
(Note: A handwritten annotation indicates that \(t_{\text{critical}}\) is needed.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb58cb154-e620-4a2d-9fe1-63caab1a97a3%2F4626d5ad-449d-49a4-8a44-15bdb5265789%2Fcuhx1jv_processed.jpeg&w=3840&q=75)

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