The claim is that the proportion of accidental deaths of the elderly attributable to residential falls is more than 0.10, and the sample statistics include n=800 deaths of the elderly with 15 percent of them attribute to residential falls. find the value of the test and show work

a 3.96
b. 4.71
c. -3.96
d. -4.71

The correct option is b) 4.71

Step-by-step explanation:

Consider the provided information.

Test statistic for proportion:

It is given that the claim is that the proportion of accidental deaths of the elderly attributable to residential falls is more than 0.10, and the sample statistics include n=800 deaths of the elderly with 15 percent of them attribute to residential falls.

Therefore, , p = 0.1, q = 1-0.1 = 0.9 and n = 800.

Substitute the respective values in the above formula.

Hence, the correct option is b) 4.71

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