1 .Internet search sites compete for users because they sell advertising space o
ID: 3221521 • Letter: 1
Question
1.Internet search sites compete for users because they sell advertising space on their sites and can charge more if they are heavily used. Choose an Internet search attempt at random. Here is the probability distribution for the site the search uses: What is the probability that a search attempt is made at Microsoft or Yahoo?
Give your answer to 2 decimal places. 0.28 0.30 0.96 Cannot be determined from the information given
2.A randomly chosen subject arrives for a study of exercise and fitness. Describe a sample space for each of the following. (In some cases, you may have some freedom in your choice of S.)
Step 1:
The subject is either female or male.
Step 2:
After 10 minutes on an exercise bicycle, you ask the subject to rate his or her effort on the Rate of Perceived Exertion (RPE) scale. RPE ranges in whole-number steps from 6 (no exertion at all) to 20 (maximal exertion).
Step 3:
You measure VO2 max, the maximum volume of oxygen consumed per minute during exercise. VO2 is generally between 2.5 and 6.1 liters per minute.
Step 4:
You measure the maximum heart rate (beats per minute).
PLEASE ANSWER ALL QUESTIONS
S={Female} S={Male} S={Male, Female)Explanation / Answer
GIVEN THAT
Internet search sites compete for users because they sell advertising space on their sites and can charge more if they are heavily used. Choose an Internet search attempt at random. Here is the probability distribution for the site the search uses: What is the probability that a search attempt is made at Microsoft or Yahoo?
in this we cannot found usefull data for finding probability
than
it is
Cannot be determined from the information given
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