The information in the accompanying table show the relationship between stogie smoking and demise from disease for

135,265

men. Note: current stogie smoker implies stogie smoker at season of death.

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(a) If an individual is haphazardly chosen from this investigation, what is the likelihood that he passed on from disease?

(b) If an individual is haphazardly chosen from this examination, what is the likelihood that he was a current stogie smoker?

(c) If an individual is arbitrarily chosen from this examination, what is the likelihood that he kicked the bucket from malignancy and was a current stogie smoker?

(d) If an individual is arbitrarily chosen from this investigation, what is the likelihood that he passed on from disease or was an ebb and flow stogie smoker?

(a) P(died from

cancer)=nothing

(Round to three decimal places depending on the situation.)

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Information Table

Passed on from Cancer Did Not Die

from Cancer

Never smoked cigars 967 117,414

Previous stogie smoker 86 8,945

Current stogie smoker 122 7,731

..6..

An aggregate of 82 Grade 11 understudies of ABC Senior High School took the 60-thing test. The outcome is ordinarily circulated with the mean of 42 and standard deviation of 6. Build a chime bend for show the information and answer the accompanying inquiries.

1. On the off chance that the passing score is a day and a half, numerous understudies finished the assessment? What number of them fizzled?

2. Just Sky and three of her cohorts got the score of 48. What number of understudies got a score higher than them? What number of got a score lower than 48?

Accept that the circulations for the accompanying situations are typical. Utilize the ordinary standard table to track down the accompanying probabilities. Fill in spaces, round z-scores to the closest 100th.

1) The normal score on a mathematical test is 75 with a standard deviation of 8. What is the likelihood that a haphazardly chosen test has a score of 90 or higher?

P(z > ______) = _________

2) The existence of a gas barbecue is 3.5 years with a standard deviation 0.35 years. What is the likelihood that the barbecue will last under 3 years?

P(z < - 1.43) = _________

3) Ambulance reaction times normal 7.5 minutes with a standard deviation of 2.5. What is the likelihood that a rescue vehicle will react inside 6 to 8 minutes.

P(_____ < z < ______) = 0.3050

The normal load of an elephant is 6.42 tons with a standard deviation of 1.07 tons. Utilize the Empirical Rule to respond to the accompanying inquiries.

1)

What weight is the mean? ______

2)

What weight is 1 standard deviation over the mean? _____

3)

What weight is 2 standard deviations over the mean? ______

4)

What weight is 3 standard deviations over the mean? _____