Question
The Bank of Connecticut issues Visa and MasterCard credit cards. It is estimated that the balances on all Visa credit cards issued by the Bank
The Bank of Connecticut issues Visa and MasterCard credit cards. It is estimated that the balances on all Visa credit cards issued by the Bank of Connecticut have a mean of$845
and a standard deviation of$260
. Assume that the balances on all these Visa cards follow a normal distribution.
a.What is the probability that a randomly selected Visa card issued by this bank has a balance between$1100and$1440?
Round your answer to three decimal places.
P=
at percentage of the Visa cards issued by this bank have a balance of$735or more?
Round your answer to two decimal places.
P= %
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Cambridge IGCSE And O Level Additional Mathematics
Authors: Val Hanrahan, Jeanette Powell
1st Edition
1510421645, 978-1510421646
