Question

1) Find the critical z-value(s) for a right tailed test with α = .02 . Assume...

1) Find the critical z-value(s) for a right tailed test with α = .02 . Assume a normal population. (Round to the nearest hundredth. If more than one value is found, enter the smallest critical value.)

2) Find the critical t-value(s) for a two-tailed test with n = 12, α = .05 . Assume a normal population. (Round to the nearest thousandth. If more than one value is found, enter the smallest critical value.)

3) Find χ2R for a right-tail test with n = 20, α = .01 . Assume a normal population. (Round to the nearest thousandth. If more than one value is found, enter the smallest critical value.)

4) Find χ2R for a two-tailed test with n = 25, α = .10 . (Round to the nearest thousandth. If more than one value is found, enter the smallest critical value.)

5) Find χ2L for a two-tailed test with n = 25, α = .10 . (Round to the nearest thousandth. If more than one value is found, enter the smallest critical value.)

6) Compute the test statistic for a claim about a population proportion given x = 12, n = 25, p = .35 . Assume a normal population. (Round to the nearest hundredth.)

7) Compute the test statistic for a claim about a population mean given x̄ = 143, μ = 150, σ = 5.6, n = 10 . Assume a normal population. (Round to the nearest hundredth.)

8) Compute the test statistic for a claim about a population standard deviation given n = 23, s = 1.4, σ = 1.5 . Assume a normal population. (Round to the nearest thousandth.)

9) Express each claim in symbolic form. At least half the students at this school carpool to campus.

Group of answer choices

p = .5

p < .5

p > .5

p ≠ .5

p ≥ .5

p ≤ .5

10) Express each claim in symbolic form. The average number of sick days taken annually by individual faculty members at this school is 4.

Group of answer choices

μ < 4

μ ≤ 4

μ ≥ 4

μ = 4

μ > 4

μ ≠ 4

11) Express each claim in symbolic form. The mean annual rainfall for this county is no more than 42 inches.

Group of answer choices

μ ≠ 42

μ > 42

μ ≥ 42

μ ≤ 42

μ < 42

μ = 42

12) Express each claim in symbolic form. More than 25% of the injuries caused by fireworks occur to hands.

Group of answer choices

p ≥ .25

p < .25

p > .25

p ≤ .25

p = .25

p ≠ .25

13) Express each claim in symbolic form. The standard deviation of the widths of ball bearings produced by my new machine is at most 0.01 inches.

Group of answer choices

σ = .01

σ ≠ .01

σ ≤ .01

σ < .01

σ ≥ .01

σ > .01

14) Express each claim in symbolic form. 89% of people using the Sleep Number mattress experience improved sleep quality.

Group of answer choices

p ≤ .89

p < .89

p ≥ .89

p ≠ .89

p = .89

p > .89

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Answer #1

0. Zaz 20.02 = 2.05). a 16. Gilla cal t- value (6) = (+0.975; 1), to. 025:11) = [[2.2012 2:20) 2 x = xocooria - 34.582). 6. e

(13) σ ≤ .01

(14) p = .89

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