Computing probability to receive email during same period

Reference no: EM1311593

Q1) Internal study by Technology Services department at Lahey Electronics revealed company employees get the average of 2 emails per hour. Suppose arrival of these emails is approximated by Poisson distribution.

a) What is the probability Linda Lahey, company president, received exactly 1 email between 4 P.M. and 5 P.M. yesterday?

b) What is the probability she received 5 or more email during the same period?

c) What is the probability she did not receive any email during the period?

Reference no: EM1311593

Questions Cloud

Evaluate the maximum purchase price per unit : Evaluate the maximum purchase price per unit that Redi-Watt should be willing to pay to the outside contractor? Should the proposal be accepted for a price of $4,250 per unit to the contractor?

Formulating the null and alternative hypotheses : Formulate the null and alternative hypotheses for this application.

Decision on proposal where contract price : Decision on proposal where contract price is lesser than variable cost - What in house costs should be used to compare with the proposal received from the contractor?

Computation of value of the stock or market had no knowledge : Computation of value of the stock and which the market had no knowledge of prior to the announcement

Computing probability to receive email during same period : What is the probability she received 5 or more email during the same period?

Developing appropriate hypotheses : Develop appropriate hypotheses such that rejection of H0 will support the researcher's contention.

Evaluate minimum price that would be acceptable : On overseas distributor has expressed an interest in these units if the price is substantially reduced. Evaluate the minimum price that would be acceptable to Redi-Watt in selling these units.

Analyzing the impact of fiscal policies : Find the velocity given that the market is in equilibrium. MD1 is the relevant curve and it is given that the real GDP is 30,000.

Above-average rates : A sample of 64 Atlanta consumers showed a mean quarterly water bill of $51 with a sample standard deviation of $12. At α = .05, does the Atlanta sample support the conclusion that above-average rates exist for this private water system?

User Account

All Pages