MULTIPLE CHOICE Choose the one alternative Express the null bypothesis and the t

Question

MULTIPLE CHOICE Choose the one alternative Express the null bypothesis and the termative bypothe indicated parameter that hest completes the statement or amswes the question in symbolic form. Llse the conrect symbol P. 1) An thousand male fireflies ne unble to proelght due to a proportion of fireftlies unable to peodhuce light tst tp A D A) Ho p> 00016 D) Ho p 0.0016 H1p 0.0016 -00016 2) A skeptical paranormal A) Ho: p-0002 P is less than 2 in every one thousand researcher claims that the proportion of Americans that have seen a UFO, 2) D) Ho p>0.002 Hi:ps0002 B) Hos pc0002 H1:P 58% problems due Hop-58% HI:P 14 111- 14 Assume that the data has a normal distribution and the number of observations is greater than fifty. Find the value used to test a null hypothesis critical z 6 0.05 for a two-tailed test. A) 21.764 6) a C) 1.645 :1.645 B) ±1.96 7 a 0.05 for a left-tailed test A) ±1.96 B) ±1.645 -1.645 D) -1.96 8) a-008 Hi is u3.24 A) 1.75 B) ±1.75 1.41 D) ±1.41

Explanation / Answer

Solution:-

1) (C)

State the hypotheses. The first step is to state the null hypothesis and an alternative hypothesis.

Null hypothesis: P > 0.0016
Alternative hypothesis: P < 0.0016

2) (A)

State the hypotheses. The first step is to state the null hypothesis and an alternative hypothesis.

Null hypothesis: P > 0.002
Alternative hypothesis: P < 0.002

3) (A)

State the hypotheses. The first step is to state the null hypothesis and an alternative hypothesis.

Null hypothesis: P < 5.8%
Alternative hypothesis: P > 5.8%

4) (A)

State the hypotheses. The first step is to state the null hypothesis and an alternative hypothesis.

Null hypothesis: P = 0.62
Alternative hypothesis: P 0.62

Note that these hypotheses constitute a two-tailed test.

5) (B)

State the hypotheses. The first step is to state the null hypothesis and an alternative hypothesis.

Null hypothesis: > 14
Alternative hypothesis: < 14

Note that these hypotheses constitute a one-tailed test.

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