Probability that selected tv will have less replacement time

Reference no: EM13131969

Replacement times for TV sets are normally distributed with a mean of 8.2 years and a standard deviation of 1.1 years.

1. Find the probability that a randomly selected TV will have a replacement time less than 5 years.

2. If you want to provide a warranty so that only 1% of the TV sets will be replaced before the warranty expires, what is the time length of the warranty?

Reference no: EM13131969

Questions Cloud

Estimate relative risk for reduction in the symptom : Generate a 95% CI for the difference in proprotions of particpants reportinga reduction of symptoms between the experimental and placebo groups.

What amount it report as cumulative effect of changing : Vandross Company has recorded bad debt expense in the past at a rate of 1.5% of net sales. In 2012, Vandross decides to increase its estimate to 2%.

Why is cost accumulation simpler in a process costing system : Why is cost accumulation simpler in a process costing system than it is in a job-order costing system?

Alkenes contain double bonds while alkynes contain triple : Alkenes contain double bonds while alkynes contain triple bonds, Naming compounds containing double as well as triple bonds

Probability that selected tv will have less replacement time : Replacement times for TV sets are normally distributed with a mean of 8.2 years and a standard deviation of 1.1 years. Find the probability that a randomly selected TV will have a replacement time less than 5 years.

Proof regarding integers and rationals : Prove the cancellation law for integers: If a,b, c are integers such that ac=bc and c is non zero, then a=b. hint for proof* use the cancellation law: Let a,b,c be natural numbers such that ac=bc and c is non zero, then a=b

Antichains of power set : Would someone be able to explain to me how we would find antichains and chains of a powerset? For example, if we had the power set of 4 - P([4]) then how would we derive the antichains, and symmetric chains?

Agreement concerning the allocation of sales price : The receivables and inventory are Sec. 751 assets. There is no agreement concerning the allocation of the sales price. Steve must recognize

Define lethality of carbon monoxide : Lethality of Carbon Monoxide, Sulfur Dioxide and TNT Air monitoring provides the following contaminant concentrations at the approximate center of a fire scene in which acres of automobile tires are burning:

User Account

All Pages