20f 15 (3 complete) This Quiz: 15 pts possible his Question: 1 pt E Question Hel

Question

20f 15 (3 complete) This Quiz: 15 pts possible his Question: 1 pt E Question Help tries a new antbiotic scrub before surgery to see whether it can lower the rate of infectors of surgical sites. The old rate of infection is 33%. The null hypothesis is that the proportion of infections is 0.033, p-0033. Report Report the alternative hypothesis in words A. Ha: The proportion of infections is iess than 0.033. O B. Ha : Of the next 1000 surgeries, more than 33 will result in an infection. O C. Ha The proportion of infections is not 0 033 O D. Ha: Of the next 1000 surgeries, less than 33 will result in an infection OE. H The proportion of infections is greater than 0 033 F. Ha Of next ,000 surgeries, either more or less than 33 wil result in an infection. Report the altemative hypothesis in symbols. Hal 1 10 033 Click to select your answer Sample Tests and Quizzes

Explanation / Answer

Here we have given that

Claim: To check wheather the lower the rate of infections of surgical sites or not.

Here the researcher are interested in the lower the rate of infections of surgical sites

The hypothesis is as follows

Ho : P=0.033

v/s

Ha : The proportion of infections is less than 0.033

i.e

Ha: P < 0.033

that is here option A is correct.

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