After how many seconds projectile reaches its maximum height
The projectile is thrown upward so that its distance above ground after t seconds is h= -10t^2 + 420t. After how many seconds it reaches its maximum height?
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Automobile mechanics conduct diagnostic tests on 150 new cars of particular make and model to determine the extent to which they are affected by a recent recall due to faulty catalytic converters.
Fill in an ANOVA table with the appropriate numerical values. Test whether the population mean tread life is equal for the three brands, using alpha = 0.10.
What is the conclusion of the test at the 0.05 level?
The number of breakdowns Y per day for a certain machine is a Poisson random variable with mean λ. The daily cost of repairing these breakdowns is given by C = 3Y2. If Y1, Y2,...Yn.denote the observed number of breakdowns for n independentl
Find a 95% confidence interval for the number of deer in the population
Determine the numbers of energy is needed to vaporize the 125g of benzene, C6H6, at its boiling point, 80.1 degrees C? where the heat of vaporization of benzene is 30.8 kJ/mol
Determine the van's Hoff factor for the electrolyte. A dilute electrolyte solution is prepared by dissolving the iron (III)chloride in the water. It is found to have a freezing point of-2.90 C. Calculate the molality of the solution.
Describe the potential problem of the following study and propose an alternative way to prevent the problem.
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