Mathematics, 11.05.2021 07:00 kdawg203
A nationwide test taken by high school sophomores and juniors has three sections, each scored on a scale of 20 to 80. In a recent year, the national mean score
for the writing section was 51.7, with a standard deviation of 9.5. Based on this information, complete the following statements about the distribution of the
scores on the writing section for the recent year.
(a) According to Chebyshev's theorem, at least 36% of the scores lie between
and I. (Round your answer to 1 decimal place.)
S
?
of the scores lle
(b) According to Chebyshev's theorem, at least ?
between 32.7 and 70.7.
Answers: 2
Mathematics, 21.06.2019 15:00
Which statements regarding the diagram are true? check all that apply.
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Mathematics, 21.06.2019 15:30
Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?
Answers: 1
Mathematics, 22.06.2019 07:00
Graph the linear equation. find three points that solve the equation -2y=-x+8 if necessary, replace x with a suitable number in the equation such that it gives you an integer value for y.
Answers: 3
Mathematics, 22.06.2019 07:00
Solve the right triangle abc with right angle c, if b=30 degrees, and c = 10 a.) a=5, b=5, a=60 degrees b.) a=5, b=8.6602, a=60 degrees c.) a=5.7735, b=11.5470, a=60 degrees d.) a=8.6602, b=5, a=60 degrees
Answers: 1
A nationwide test taken by high school sophomores and juniors has three sections, each scored on a s...
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