Compute height of two buildings which are at given distance
Determine height of two buildings which are 190 ft apart, if angle of depression from top of taller building to the top of shorter building is 25 degree and angle of elevation from bottom of shorter building to top of taller building is 51 degrees.
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An ecologist claims that because of environmental influences, the mean life of Louisiana shellfish is 27 months. Feeling the claim is too low, a congressman decides to test the ecologists claim at a significance level of 5%.
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Determine height of two buildings which are 190 ft apart, if angle of depression from top of taller building to the top of shorter building is 25 degree.
The claim is that the proportion of drowning deaths of children attributable to beaches is more than 0.25, and the sample statistics include n = 615 drowning deaths of children with 30% of them attributable to beaches.
A set of 50 data values has the mean of 45 and a variance of 9. Determine the standard score (z) for data value = 52.
Car A passes point O heading east at the steady rate of 40mi/h; car B passes same point 1 hour later heading north at the steady rate of 60mi/h.
Use the information below to estimate the expected return on the stock of W.M. Hung Corporation.
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