... An industrial chemical that will retard the spread of fire in paint has been developed. Thelocalsales representative has estimated, from past experience, that 48+15f% (round to integer) ofthe sales calls will resultin an order.(a) What is the probability that the first order will come on the fourth sales call of the day?(b) If eight sales calls are made in a day, what is the probability of receiving exactly six orders?(c) If four sales calls are made before lunch, what is the probability that one or fewer results inan order?Weekly demand for condenser units is Poisson-distributed with a mean of (6-3f) units. Whatis the probability of running out of stock, if we have 4 condenser at the beginning of a week?A component has an exponential time-to-failure distribution with mean of 10,000+2000fhours.(a) The component has already been in operation for its mean life. What is the probability thatit will fail by 15,000 hours?(b) At 15,000 hours, the component is still in operation. What is the probability that it willoperate for another 5000 hours?Lead time for an item is approximated by a normal distribution with a mean of 20+5f daysand avariance of 4 days2. Find values of lead time that will be exceeded only 5%, and 10% ofthe time.IQ scores are normally distributed throughout society, with mean 100+10f and standarddeviation 15.(a) A person with an IQ of 140 or higher is called a "genius." What proportion of society is inthe genius category?(b) What proportion of society will miss the genius category by 5 or less points?

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..An industrial chemical that will retard the spread of fire in paint has been developed. The local sales representative has estimated, from past experience, that 48+15f% (round to integer) of the sales calls will result in an order. (a) What is the probability that the first order will come on the fourth sales call of the day? (b) If eight sales calls are made in a day, what is the probability of receiving exactly six orders? (c) If four sales calls are made before lunch, what is the probability that one or fewer results in an order?

..An industrial chemical that will retard the spread of fire in paint has been developed. The local sales representative has estimated, from past experience, that 48+15f% (round to integer) of the sales calls will result in an order. (a) What is the probability that the first order will come on the fourth sales call of the day? (b) If eight sales calls are made in a day, what is the probability of receiving exactly six orders? (c) If four sales calls are made before lunch, what is the probability that one or fewer results in an order?

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section8.7: Probability

Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...

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