Standard deviations and the inflection points
Draw a normal curve with a mean=100 and standard deviation =8. Label the mean, standard deviations and the inflection points
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The control volume rejects heat to the surroundings at the rate of 1.2 kW and produces 4.5 kW of power output. Determine the flow rate of second stream of air that enters.
It takes 42 min for the concentration of a reactant in a first order reaction to drop from 0.45 M to 0.32 M at 25 degrees C. How long will it take for the reaction to be 90% complete?
Do the data provide sufficient evidence to indicate a difference between and? Test using the two-sample independent t test with = 0.05.
When 100.0 mL water at an unknown temperature is mixed with 50.0mL water at 10 degrees celsius, the final temperature is 30 degrees celsius.
A real estate agent has 15 properties that she shows. She feels that there is a 40% chance of selling any one property during a week. the chance of selling any one property is independant of selling another property. Compute the probability of sel
The reaction A+2B -> products has the rate law, rate = k[A][B]^3. If the concentration of B is dobled while that of A is unchanged, by what factor will the rate of reaction increase?
Consider a sequence of independent Bernoulli trials with p=0.21. What is the expected number of trials to obtain the first success?
The diameter of a certain atomic nucleus is 1.70x 10-5pm and its mass is 5.80 x 10-25 g. What is the densityof the nucleus in grams per centimeter cubed ?
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