Physics, 02.07.2019 00:10, nayiiii1874

Aphysical fitness association is including the mile run in its secondary-school fitness test. the time for this event for boys in secondary school is known to possess a normal distribution with a mean of 440 seconds and a standard deviation of 50 seconds. the fitness association wants to recognize the fastest 10% of the boys with certificates of recognition. what time would the boys need to beat in order to earn a certificate of recognition from the fitness association?

Answers: 2

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 13:30, kuddlebugsmommy

The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?

Answers: 1

continue

Physics, 23.06.2019 00:30, anashaye

Where should a carbon monoxide detector be mounted?

Answers: 1

continue

Physics, 23.06.2019 02:20, alexandroperez13

Aflute player hears four beats per second when she compares her note to a 523 hz tuning fork (the note c). she can match the frequency of the tuning fork by pulling out the “tuning join” to lengthen her flute slightly. what was her initial frequency?

Answers: 2

continue

Physics, 23.06.2019 03:30, prelogical

Blank is the perceived frequency of a sound wave

Answers: 1

continue

Do you know the correct answer?

Aphysical fitness association is including the mile run in its secondary-school fitness test. the ti...