Solve.10,500 college students were asked to name their favorite sport. Of this group,  said basketball,  said soccer,  said baseball,   said they had no favorite sport, and the remainder said volleyball. How many named each sport? 

A. Basketball: 3,500
Soccer: 2,100
Baseball: 1,800
Volleyball: 2,575
None: 525

B. Basketball: 3,500
Soccer: 2,100
Baseball: 1,750
Volleyball: 2,635
None: 515

C. Basketball: 3,500
Soccer: 2,100
Baseball: 1,750
Volleyball: 2,625
None: 525

D. Basketball: 3,500
Soccer: 2,050
Baseball: 1,750
Volleyball: 2,675
None: 525

Answer: C

Mathematics

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Find the probability.The table lists the eight possible blood types. Also given is the percent of the U.S. population having that type.Let E be the event that a randomly selected person in the U. S. has type B blood. Let F be the event that a randomly selected person in the U. S. has RH-positive blood.Find P(E|F).

A. 0.840 B. 0.818 C. 0.107 D. 0.182

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Mathematics

Use Descartes' Rule of Signs to determine the possible number of positive and negative real zeros for the function. Then, use a graph to determine the actual number of positive and negative real zeros.P(x) = x7 + x4 + x2 + x + 8

A. possible: 1 or 3 pos, 0 neg
actual: 1 pos, 0 neg

B. possible: 0 pos, 1 neg
actual: 0 pos, 1 neg

C. possible: 0 pos, 1 or 3 neg
actual: 0 pos, 1 neg

D. possible: 0 pos, 2 or 0 neg
actual: 1 pos, 0 neg

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Mathematics

Find the center, transverse axis, vertices, foci, and asymptotes of the hyperbola. -  = 1

A. center at (-4, 2)
transverse axis is parallel to y-axis
vertices at (-4, -1) and (-4, 5)
foci at (-4, 2 - ) and (-4, 2 + )
asymptotes of y + 2 = - (x - 4) and y + 2 = (x - 4)
B. center at (-4, 2)
transverse axis is parallel to x-axis
 vertices at (-7, 2) and (-1, 2)
foci at (-4 - , 2) and (-4 + , 2)
asymptotes of y - 2 = - (x + 4) and y - 2 = (x + 4)
C. center at (-4, 2)
transverse axis is parallel to x-axis
vertices at (-9, 2) and (1, 2)
foci at (-4 - , 2) and (-4 + , 2)
asymptotes of y - 2 = - (x + 4) and y - 2 = (x + 4)
D. center at (2, -4)
transverse axis is parallel to x-axis
vertices at (-1, -4) and (5, -4)
foci at (2 - , -4) and (2 + , -4)
asymptotes of y + 4 = - (x - 2) and y + 4 = (x - 2)

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Mathematics

Add or subtract as indicated. Simplify if necessary. - 

A.
B. - 
C. - 
D.

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Mathematics