A company installs 5000 light bulbs, each with an average life of 500 hours, standard deviation of 100 hours, and distribution approximated by a normal curve. Find the approximate number of bulbs that can be expected to last the period of time.At least 500 hours
A. 5000 bulbs
B. 2500 bulbs
C. 2400 bulbs
D. 1000 bulbs
Answer: B
Mathematics
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Write in scientific notation.889
A. 88.9 × 102 B. 8.89 × 102 C. 8.89 × 103 D. 889 × 10-2
Mathematics
Determine algebraically whether the function is even, odd, or neither.
A. even B. odd C. neither
Mathematics
Write the expression in lowest terms.
A. 
B. 
C. 
D. 
Mathematics
Use synthetic division to find the quotient and the remainder when the first polynomial is divided by the second polynomial. 2x4 - x3 - 15x2 + 3x; x + 3
A. quotient: 2x3 - 5x2 + 3; remainder: -9 B. quotient: 2x3 - 7x2 + 6x -15; remainder: 45 C. quotient: 2x3 - 7x2 + 6x -15; remainder: - 45 D. quotient: 2x3 + 5x2 + 3; remainder: 9
Mathematics