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kodGreya [7K]
2 years ago
10

Helpppp plzzzzxx i need to hand this in for my test

Mathematics
2 answers:
antoniya [11.8K]2 years ago
8 0

Answer:

12

Step-by-step explanation:

vovikov84 [41]2 years ago
7 0

Answer:

12

Step-by-step explanation:

constant has no variable ...hehe hope it helps

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A medical website states that 40% of U.S. adults are registered organ donors. A researcher believes that the proportion is too h
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Answer:

Pvalue = 0.193

There is not enough evidence to conclude that the proportion of registered organ donors is less than 40%

Step-by-step explanation:

H0 : p = 0.4

H1 : p < 0.4

Test statistic :

z=pˆ−p/√p(1−p)/n

pˆ = 74 / 200 = 0.37

Z = (0.37 - 0.40) / √(0.40(1 - 0.40) / 200

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Z = - 0.866

Test statistic = -0.866

The Pvalue :

P(Z < -0.866) = 0.193

α - level = 0.05

If Pvalue < α ; Reject H0

Since Pvalue > α ; There is not enough evidence to conclude that the proportion of registered organ donors is less than 40%

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