In circle A shown below, the measure of ∠BAD is 148°: Circle A with angle BAD measuring 148 degrees; points B, C, D lie on Circl
e A. If m Arc BC is 96°, what is m Arc CD ?
1 answer:
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Answer:
The standard deviation would have to be 0.05.
Step-by-step explanation:
We can solve this problem using the 68-95-99.7 rule for normal distributions:
The rule states that:
68% of the measures are within 1 standard deviation of the mean.
95% of the measures are within 2 standard deviations of the mean.
99.7% of the measures are within 3 standard deviations of the mean.
What would the value of σ have to be to ensure that 95% of all readings are within 0.1° of μ?
This means that 2 standard deviations would need to be within 0.1 of the mean. So
The standard deviation would have to be 0.05.
Answer:
53% are tigers
Step-by-step explanation:
If you were referring to the question:
<u><em>An animal park has lions, tigers and zebras. 17% of the animals are lions and 3/10 of the animals are zebras. What percentage are tigers? Show me your work! </em></u>
We can then solve it by considering what is 3/10 in percent form.
When you think of percent, just remember that it is a portion for every 100. So think of a fraction that is proportional to 3/10 that is a fraction of 100:
So 3/10 = 30/100 which in percentage form is 30%.
Now if:
17% = lions
30% = zebras
We can get the percentage by looking for how many out of 100% is left.
100% - (17% + 30%)
100% - 47%
53%