The lifetime of a certain type of battery is normally distributed with mean value 12 hours and standard deviation 1 hour. there are four batteries in a package. what lifetime value is such that the total lifetime of all batteries in a package exceeds that value for only 5% of all packages? (round your answer to two decimal places.)

Acompany has $80,000 in outstanding accounts receivable and it uses the allowance method to account for uncollectible accounts. experience suggests that 6% of outstanding receivables are uncollectible. the current credit balance (before adjustments) in the allowance for doubtful accounts is $1,200. the journal entry to record the adjustment to the allowance account includes a debit to bad debts expense for $4,800. true or false