Probability that mean of random sample
The probability that a randomly selected pregnancy lasts less than 149 days is approximately .3821. So the probability that the mean of a random sample of 21 pregnancies is less than 149 days is approximately? (round to 4 decimals as needed)
Expected delivery within 24 Hours
Revision of depreciation Equipment with a cost of $300,000 has an estimated residual value $42,000, has an estimated useful life of 24 years, and is depreciated by the straight-line method.
The coefficient of kinetic and static friction between the stone and the hoizontal ground are .20 and .80, respectively.
Knowing that at t=3 s slider block C has moved 57 mm to the right, determine (a) the velocity of slider block C at t=0, (b) the acceleration of A and C, (c) the change in position of block A after 5 s.
Hoover printing is considering buying a binding machine to supplement their printing business. The cost of the machine with delivery and installation is $5,500 and it is expected to last for 5 years with no salvage value.
On a typical day and at altitudes less than 11km , the temperature at an altitude y is given by T=To-alphaY , where = 12.5C and alpha=(6.00C)/(1000m) Find the altitude y (measured from sea level) above which wispy cirrus clouds can occur.
Investing in the General Motors costs $10,000 and pays back $11,500 two years from now. If investing in Ford costs $8,000 today and pays back $4,500 each year for two years, which alternative is inferior? Assume an interest rate of 5%
The probability that a randomly selected pregnancy lasts less than 149 days is approximately .3821. The probability that the mean of a random sample of 21 pregnancies is less than 149 days is approximately .0846.
On January 1, 2011, Bradley Recreational Products issued $100,000, 9%, four-year bonds. Interest is paid semiannually on June 30 and December 31. The bonds were issued at $96,768 to yield an annual return of 10%.
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