A large bank vault has several automatic burglar alarms. The probability is 0.55 that a single alarm
Question:
A large bank vault has several automatic burglar alarms. The probability is 0.55 that a single alarm will detect a burglar.
(a) How many such alarms should be used for 99% certainty that a burglar trying to enter will be detected by at least one alarm?
(b) Suppose the bank installs nine alarms. What is the expected number of alarms that will detect a burglar?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
a p 055 Find n such that Pr 1 099 Try n 6 Six alarms sh...View the full answer
Answered By
Ali Khawaja
my expertise are as follows: financial accounting : - journal entries - financial statements including balance sheet, profit & loss account, cash flow statement & statement of changes in equity -consolidated statement of financial position. -ratio analysis -depreciation methods -accounting concepts -understanding and application of all international financial reporting standards (ifrs) -international accounting standards (ias) -etc business analysis : -business strategy -strategic choices -business processes -e-business -e-marketing -project management -finance -hrm financial management : -project appraisal -capital budgeting -net present value (npv) -internal rate of return (irr) -net present value(npv) -payback period -strategic position -strategic choices -information technology -project management -finance -human resource management auditing: -internal audit -external audit -substantive procedures -analytic procedures -designing and assessment of internal controls -developing the flow charts & data flow diagrams -audit reports -engagement letter -materiality economics: -micro -macro -game theory -econometric -mathematical application in economics -empirical macroeconomics -international trade -international political economy -monetary theory and policy -public economics ,business law, and all regarding commerce
1+ Reviews
10+ Question Solved
Related Book For 
Understandable Statistics Concepts And Methods
ISBN: 9781337119917
12th Edition
Authors: Charles Henry Brase, Corrinne Pellillo Brase
Question Posted:
