To study the effect of fluoride in preventing tooth decay, researchers counted the number of fillings in the teeth of 28 patients and recorded these results:6, 7, 13, 21, 16, 22, 19, 8, 12, 3, 8, 2, 8, 16, 12, 19, 15, 10, 13, 9, 14, 15, 14, 14, 10, 10, 12, 12Create a table to tally the results.
A. Number of fillings Frequency
1-5 2
6-10 10
11-15 11
16-20 5
21-252
B. Number of fillings Frequency
1-5 4
6-10 9
11-15 12
16-20 4
21-25 2
C. Number of fillings Frequency
1-5 2
6-10 9
11-15 12
16-20 4
21-25 1
D. Number of fillings Frequency
1-5 4
6-10 10
11-15 12
16-20 5
21-25 3
E. Number of fillings Frequency
1-5 2
6-10 9
11-15 11
16-20 4
21-25 2
Answer: E
You might also like to view...
Provide an appropriate response.One pipe can fill a certain tank in 40 minutes. A second pipe can fill the same tank in 30 minutes. How long will it take to fill the tank if both pipes are used? Round to the nearest hundredth minute.
Fill in the blank(s) with the appropriate word(s).
Use Bayes' rule to find the indicated probability.The incidence of a certain disease on the island of Tukow is 4%. A new test has been developed to diagnose the disease. Using this test, 91% of those who have the disease test positive while 4% of those who do not have the disease test positive (false positive). If a person tests positive, what is the probability that he or she actually has the disease?
A. 0.438 B. 0.487 C. 0.91 D. 0.856
Write the augmented matrix for the system.
A. 
B. 
C. 
D. 
Provide an appropriate response.The payoff table for three possible courses of action A1, A2, and A3 is given below.pi?A1xi?A2xi?A3xi?.3$70$40$50.2$100$120$110.1$160$140$90.4$80$140$160Which course of action will produce the largest expected value? What is it?
What will be an ideal response?