Century Digital Phone Advertises Phone Battery Life (On Standby)of Up

question 51

Essay

Century Digital Phone advertises phone battery life (on standby)of up to three days.The standard deviation is thought to be five hours.Tina Talbot,an employee at CDP,tested 10 of these batteries for 72 hours.One failed at 40 hours;one failed at 62 hours;one failed at 70 hours.All others completed the test.Calculate FR(%),FR(N),and MTBF.

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Definitions:

Normal Approximation

A statistical method where a binomial distribution is approximated using the normal distribution, usually applied when sample sizes are large.

Probability

A measure of the likelihood that an event will occur, expressed as a number between 0 and 1, where 0 indicates impossibility and 1 indicates certainty.

Eligible Voters

Individuals who meet certain criteria, such as age and citizenship status, making them qualified to vote in an election.

Primary Election

A preliminary election where voters decide their party’s candidates for a forthcoming general election.