Find the percentage of data items in a normal distribution that lie (a) above and (b) below the given z-score.z = 0.3
A. a) 61.79%, b) 38.21%
B. a) 0%, b) 100%
C. a) 38.21%, b) 61.79%
D. a) 61.79%, b) 61.79%
Answer: A
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Solve by using the square root property.8x2 + 2 = 1802
A. x = 15 B. x = 901 C. x = ± 16 D. x = ± 15
Solve.A cabin cruiser travels 20 miles in the same time that a power boat travels 40 miles. The cruiser travels 5 mph slower than the power boat. Find the speed of each boat.
A. Power boat travels 15 mph and cruiser travels 10 mph. B. Power boat travels 20 mph and cruiser travels 15 mph. C. Power boat travels 10 mph and cruiser travels 5 mph. D. Cannot be determined with information given.
The following question refers to a school district with three high schools. The total number of students in the district is 3000. The teachers within the district are apportioned to the high schools based on the schools' respective enrollments. The standard quota for each school is given in the following table.
Find each school's apportionment of teachers under Hamilton's method.
A. North: 17; Central; 52; South: 31 B. North: 19; Central; 51; South: 30 C. North: 18; Central; 51; South: 31 D. North: 18; Central; 52; South: 30 E. none of these
Provide an appropriate answer.Let A = 
and B = 
. Show that A(A + B) = A2 + AB. Show all your work.
What will be an ideal response?