Question

in a study of 420,026 cell phone users, 135 subjects developed brain cancer. Test the cla people who do not use cell phones. Because this issue has such great importance, use a 0.005 significance level. Use this information to answer the following questions hat cell phone users develop bran cancer at a rate that is different im om the rate of 0.034 % for a. Which of the following is the hypothesis test to be conducted? A. Ho:p>0.00034 H1: p 0.00034 C. Ho: p<0.00034 H1: p 0.00034 O E. Ho: p 0.00034 O B. Ho: pt0.00034 H1: p-0.00034 O D. Ho: p-0.00034 H1 : p #0.00034 OF. Ho:p=0.00034 Click to select your answer(s)

B- what ia the test statistic?
Z=

C- what is The P value?

D -What is the conclusion?
A- There is not sufficient evidence to support the claim that the cellphone users develop brain cancer at a rate that is different from the rate of 0.0340% for people who do not use cell phones.
b- There is sufficient evidence to support the claim that cell phone users develop brain cancer at a rate that diffrent from the rate 0.0340% for people who do not use cell phones.

E- should cell phone users be concerned about brain cancer?
a- No, the study does not suggest that a cell phone users is at high risk for brain cancer that a non cell phone user.
b- Yes does studies suggest that a cell phone user is at hybris to brain cancer than a non cellphone user.

Answer 1

a) Hypothesis, Ho:P20.00039 given, n2 420026 X )35 X13S 420026000324 b) Test statistic 尸a_ 0,00035)(l-0.00035) 0.00001 0.00000000o š og LA 2602G 000339886 4 20026 0,0062844 c) p-value.S3112 _d)-. Conclusion : The P-val u efsgreare than o.005. Thus, we actepthill hypothesis at os levelo signihcanie and Concluodethat There is not sufficent evidenie to support the claim thot the cellphone ustos dvelop bren vate of 0 0340, fur People who donot use caliphens