Provide an appropriate response.If a fair coin is tossed 100 times, use the normal approximation to estimate the probability of getting at least 60 heads.
A. 0.5287
B. 0.0287
C. 0.0228
D. 0.4713
E. 0.0179
Answer: B
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Solve the problem.Police use a formula s = S 
, where S is the test-car speed (mph) and L is the test-skid length (feet), to find the actual speed, s, in an accident which left a skid mark of length x feet. Find the actual speed (to the nearest tenth) when S = 63 mph, x = 150 ft, L = 100 ft.
A. 113.0 mph B. 51.7 mph C. 77.2 mph D. 94.5 mph
Find all solutions to the equation. Express the solution in degrees.sin x = - 
A. 45° + 360°n or 315° + 360°n B. 225° + 360°n or 315° + 360°n C. 135° + 360°n or 315° + 360°n D. 240° + 360°n or 300° + 360°n
Solve the problem.Mrs. Hernandez prepared her grocery list at home. Her list contained the following items with their sale prices: cheese - 
soda - 
; hamburger - 
; and gum - 
. She bought all of the items at the store except the crackers. How
much money did she spend? A. $23.86 B. $22.86 C. $21.89 D. $22.89
Do the operation and express the answer in 
form.
?
?
A. 
B. 
C. 
D. 
E. 