Answer:
B) 47.5%
Step-by-step explanation:
Refer to the normal distribution chart attached. If 130 is 2 standard deviations higher than the mean (ignore the numbers beneath the percentages), then by the empirical rule, this means that 34%+13.5%=47.5% of adults are between IQs of 100 and 130. Therefore, option B is correct.
Angle B is the largest angle. , Option D is the correct answer.
<h3>What is an Isosceles Triangle ?</h3>
A triangle that has two sides equal is called an Isosceles Triangle.
It is given in the question a triangle ABC
With BA =BC
therefore angle A is equal to angle C
In a triangle the angle opposite to the longest side is the biggest angle
Therefore angle B is the largest angle.
Option D is the correct answer.
To know more about Isosceles Triangle
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Step-by-step explanation:
a. 3 1/7 b. 3 1/6 and c. 2
23 is the constant rate of change..............