At one high school, students can run the 100-yard dash in an average of 15.2 seconds with a standard deviation of .9 seconds. The times are very closely approximated by a normal curve. Find the percent of times that are indicated. Round to the nearest whole percent.At least 14.3 seconds
A. 16%
B. 14%
C. 84%
D. 50%
Answer: C
Mathematics
You might also like to view...
Find the mode.3620, 4860, 3720, 6680, 4250, 7290
A. no mode B. 6680 C. 3720 D. 5070
Mathematics
Solve the equation and check your solution.-16.6y = 232.4
A. -1.19 B. -215.8 C. -218.4 D. -14
Mathematics
Write the appropriate symbol, < or >, between the following integers.13 ___ -14
A. < B. >
Mathematics
Solve the problem.A certain radioactive isotope has a half-life of approximately 2000 years. How many years to the nearest year would be required for a given amount of this isotope to decay to 45% of that amount?
A. 1100 years B. 2259 years C. 2304 years D. 1725 years
Mathematics