Mathematics, 09.10.2019 07:30, isac58
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 450 seconds and a standard deviation of 50 seconds. find the probability that a randomly selected boy in secondary school will take longer than 335 seconds to run the mile.
a) 0.5107
b) 0.9893
c) 0.0107
d) 0.4893
Answers: 3
Mathematics, 21.06.2019 21:00, joshuasanders8862
You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up
Answers: 1
Mathematics, 21.06.2019 23:40, guadalupemarlene2001
Which set of side lengths form a right side? a) 3ft,6ft,5ft b)50 in,48in,14in c)53m,48m,24m d)8cm,17cm,14cm
Answers: 2
Aphysical fitness association is including the mile run in its secondary-school fitness test. the ti...
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