Amanda earned a score of 940 on a national achievement test that was normally distributed. The mean test score was 850 with a st
andard deviation of 100
If 1000 students took the test, how many scored below Amanda? Use z table.
2 answers:
Answer:
<h3>
<u>L</u><u>o</u><u>w</u><u>e</u><u>r</u><u> </u><u>t</u><u>h</u><u>a</u><u>n</u><u> </u><u>A</u><u>m</u><u>a</u><u>n</u><u>d</u><u>a</u> : 816 students.</h3>
Answer:
lower than Amanda: 816 students
Step-by-step explanation:
An equivalent way in which to state this problem is: Find the area under the standard normal curve to the left (below) 940.
Most modern calculators have built in distribution functions.
In this case I entered the single command normalcdf(-1000,940, 850, 100)
and obtained 0.816.
In this particular situation, this means that 0.816(1000 students) scored lower than Amanda: 816 students.
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Step-by-step explanation:
96 =16 *6
Break these down, since neither 16 nor 6 are prime
= 4*4 * 2*3
4 in not prime, but 2 and 3 are prime
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All of these are prime
Answer: 12b
Step-by-step explanation: you multiply 4 by 3 but keep the b
Answer:
Step-by-step explanation:
3 cm=8 km
1cm=8/3 km
5 cm=8/3×5=40/3 =13 1/3 km
Answer:
The answer is 400 when you round it off to the nearest hundred.
