Friday

November 28, 2014

November 28, 2014

Posted by **Samantha** on Saturday, May 17, 2014 at 7:08pm.

What percentage of the time will the average be 149 seconds or longer if the new release is randomly selected? (Give your answer correct to four decimal places.)

(b) If the music firm wants 15 cuts to average 149 seconds less than 5% of the time, what must the population mean be, given that the standard deviation remains at 10 seconds? (Give your answer correct to one decimal place.)

**Answer this Question**

**Related Questions**

Intermediate Algebra - in 1920 the record for a certain race was 45.7 seconds. ...

algebra - In 1920 the record for a certain race was 46.5 seconds. in 1980 it was...

statistics - The length of country and western songs is normally distributed and...

Algebra 1 - The world record for the mile was 4:10 and 3:49 in 1975. Assuming ...

5th grade Math - Please help me with these math problems. #1 Matt subtracted 1.9...

Algebra - In 1920, the record for a race was 46.9 seconds. In 1940 it was 46.5 ...

Statistics - In a certain microwave oven on the high power setting, the time it ...

Statistics - 1. The average time it takes for a cellphone to reboot is 3 ...

fnu - The length of country and western songs is normally distributed and has a ...

Physics - Jamaican sprinter Usain Bolt holds the world record for the men's 100 ...