Approximation of the poisson distribution

Assignment Help Basic Statistics

Reference no: EM13102220

An internal study by the Technology Services department at Lahey Electronics revealed company employees receive an average of 6.0 emails per hour. Assume the arrival of these emails is approximated by the Poisson distribution.

(a) What is the probability Linda Lahey, company president, received exactly 3 emails between 4 P.M. and 5 P.M. yesterday? (Round your answer to 4 decimal places.)

(b) What is the probability she received 7 or more emails during the same period? (Round your answer to 4 decimal places.)

Reference no: EM13102220

Questions Cloud

Explain how much is net working capital : Illustrate what is the value of the shareholders equity account for this firm? Explain how much is net working capital?

How kinship system of yanomamo culture influences behaviour : In short explain the culture and recognize three specific examples of how kinship system of chosen culture influences the way culture behaves (i.e. thinks, acts, lives).

Distribution of thefts per minute : Recent crime reports indicate that 4.2 motor vehicle thefts occur each minute in the United States. Assume that the distribution of thefts per minute can be approximated by the Poisson probability distribution.

Explain how has the structure of today organization changed : Explain how has the structure of today's organization changed from the organization of the past? Illustrate what is the most significant event in the evolution of organizational structure? Defend your response.

Approximation of the poisson distribution : An internal study by the Technology Services department at Lahey Electronics revealed company employees receive an average of 6.0 emails per hour. Assume the arrival of these emails is approximated by the Poisson distribution.

Explain when firms should discount projects using the cost : Explain when firms should discount projects using the cost of equity. When should they use the WACC instead? When should they use neither?

Normal approximation to binomial probability : A machine cuts circular filters from large rolls of material. If 7.3% of the filters fail to meet specifications, use the normal approximation to the binomial to compute the probability

What marginal revenues does university of phoenix earn : Illustrate what marginal revenues does University of Phoenix earn from each additional ECO/561 class? Explain how would you expect this marginal analysis to affect the volume of classes University of Phoenix offers? Does University of Phoenix maxi..

What is the mass per unit length of the string : Tension is maintained in a string. The observed wave speed is 25 m/s when the suspended mass is 3.0 kg. (a) What is the mass per unit length of the string?

User Account

All Pages