Mathematics, 07.03.2020 05:05 dina18
The level of nitrogen oxides (NO x ) in the exhaust of cars of a particular model varies Normally, with mean 0.25 gram per mile (g/mi) and standard deviation 0.05 g/mi. Government regulations call for NO x emissions no greater than 0.3 g/mi. A company has four cars of this model in its fleet. What is the probability that the average NO x level of these cars is above the 0.3 g/mi limit?
Answers: 2
Mathematics, 21.06.2019 17:00
Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles
Answers: 1
Mathematics, 21.06.2019 18:00
Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)
Answers: 3
Mathematics, 21.06.2019 19:00
Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60
Answers: 3
Mathematics, 21.06.2019 19:30
It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?
Answers: 1
The level of nitrogen oxides (NO x ) in the exhaust of cars of a particular model varies Normally, w...
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