Answer:
x = 90
Step-by-step explanation:
2(45° ) + x = 180°
Distribute
90 +x = 180
Subtract 90 from each side
90+x-90 =180-90
x = 90
Answer:
The radius of the circle is 9 in
Choice C is correct
Step-by-step explanation:
254.4696 square inches. Whats the radius of the circle (use pie=3.1416.
The area of a circle with radius r is given as;
We substitute the given area and the value of pi given to solve for the radius;
The measure of angle B is 97°
Answer:
a) 0.5233 = 52.33% probability of picking someone who has the disease.
b) 0.9091 = 90.91% probability of picking someone who tests negative, given that he/she did not have the disease
Step-by-step explanation:
A probability is the number of desired outcomes divided by the number of total outcomes.
a) What is the probability of picking someone who has the disease.
132 + 25 = 157 people have the disease
132 + 25 + 13 + 130 = 300 people total
157/300 = 0.5233
0.5233 = 52.33% probability of picking someone who has the disease.
b) What is the probability of picking someone who tests negative, given that he/she did not have the disease?
143 people did not have the disease.
130 tested negative. So
130/143 = 0.9091
0.9091 = 90.91% probability of picking someone who tests negative, given that he/she did not have the disease
Answer: True
Step-by-step explanation:
Sensitivity in such a scenario is used to measure the accuracy of the screening method. In other words, how effective is the screening method at detecting Colon Cancer.
The sensitivity of the method can be calculated by dividing the amount of people that it showed as positive by the number of people that were actually tested.
The number of people who showed positive were 14 and the amount of people tested were 16.
Sensitivity therefore is,
= 14/16
= <u>0.875</u>
<em>They should indeed determine the sensitivity of the newly proposed screening method to be .875.</em>
