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diamong [38]
3 years ago
12

Suppose that we were going to conduct a study to determine if there is an decrease in risk of getting lung cancer based on wheth

er the person eats strawberries several times a week. In the group(1) that eats strawberries regularly, we find than 5 out of 2000 get lung cancer. In the group(2) that does not eat strawberries regularly, we find that 5 out of 1000 get lung cancer. What is the sample relative risk?
A. 0.0025

B. 0.05

C. 0.5

D. 0.025
Mathematics
1 answer:
nalin [4]3 years ago
7 0

Answer: Option C

Step-by-step explanation:

In group(1), the risk is= 5/2000 x 100

                          = 0.25

In group(2), the risk is= 5/1000 x 100

                         = 0.5

The sample relative risk is= 0.25/0.5

                                          = 0.5

So, option C is correct.

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A point D (3, 2) is rotated clockwise through 90°. Find the new coordinates of D'.
qwelly [4]

Answer:

the rule for rotating 90 degrees clockwise is (x,y) to (y,-x). (3,2) will turn into (2,-3)

Step-by-step explanation:

7 0
3 years ago
Janice works for a salary of $2,396 per month. She has federal income tax withheld at the rate of 15 percent, Social Security ta
MAVERICK [17]

Given that Janice monthly salary is $2,396. And she has deductions of federal income tax withheld at the rate 15%, social security tax at the rate of 6.2% and medicare tax at the rate of 1.45% and health insurance premium worth 95$ per month.

Let us calculate total deductions.

Federal income tax = 15% of 2396 = 0.15*2396      =$359.4

Social security tax  = 6.2% of 2396=0.062*2396    =$148.552

Medicare tax           = 1.45% of 2396= 0.0145*2396=$34.742

<u>health insurance premium                                         =$95          </u>

Total deductions                                                        = $637.694

To calculate Janice net pay we have to subtract deductions from monthly salary that is 2396-637.694 = $1758.306

Hence net pay of Janice is $1758.306 per month.

4 0
2 years ago
Which statement correctly describes the expression (-60)(-5)?
Elina [12.6K]
It would be b. If two numbers are negative and your multiplying them, it would be positive!
8 0
3 years ago
Read 2 more answers
They are 13 sales people at a car dealership last year they each sold the same number of cars together they sold 1157 how many c
bonufazy [111]

Answer: each salesperson sold 89 cars last year.

Step-by-step explanation:

The total number of sales people at the dealership shop is 13.

Last year they each sold the same number of cars. The total number of cars that they sold together last year was 1157. Therefore, the number of cars that each salesperson sold would be

Total number of cars sold/ number of salespersons

It becomes

1157/13 = 89

3 0
3 years ago
Senna was having a party for 15 friends. She bought 3 jars of
rodikova [14]

Answer:

chicken

Step-by-step explanation:

cuz im like that

5 0
2 years ago
Read 2 more answers
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