18 cm
1 answer:
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Due to the common probability formula I can solve that task. Refering to the task you gave, we have all the information we need. We solve it like that: 
So the answer is the first option <span>0.621%</span>
So the answer is the first option <span>0.621%</span>
Answer:
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