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A set of data with a mean of 40 and a standard deviation of 5.1 is normally distributed find the value that is -2 standard deviations from the mean A.25.7 B.29.8 C.34.9 D.45.1
answered
Jun 25, 2019
Mathematics
high-school
3
votes
61.4k
views
Given the table below, what is the chemical formula for a compound between Na and the sulfate ion SO4 -2? nitrate ion NO3 -1 phosphate PO4 -3 sulfate SO4 -2 acetate C2H3O2 -1 ammonium NH4 +1 chromate CrO4
answered
Jun 18, 2019
Chemistry
middle-school
3
votes
184k
views
Victoria enjoys laughing with her friends as they walk around the track after school. Which best describes their heart rates during this activity? Low Moderate Vigorous Dangerous
answered
Jan 12, 2019
Health
middle-school
5
votes
114k
views
Which statements are true about this polynomial function?
answered
Oct 7, 2018
Mathematics
high-school
5
votes
207k
views
Is 'started' an adjective?
answered
Sep 24, 2018
English
middle-school
1
vote
122k
views
Read the last two lines of "Sonnet 73" and answer the question. "" This thou perceivest, which makes thy love more strong To love that well which thou must leave ere long. "" The sound device used in these
answered
Sep 19, 2018
English
high-school
0
votes
105k
views
What does Export mean
answered
Sep 18, 2018
Social Studies
high-school
3
votes
162k
views
Is there only one gene that affects human hair color? What besides gene influences traits?
answered
Jul 21, 2018
Biology
middle-school
3
votes
132k
views
Prior to the creation of Czechoslovakia in 1918, Slovakia was controlled by _____. Hungary Germany the Soviets Czech kings
answered
Jun 13, 2018
Geography
high-school
3
votes
225k
views
PLEASE HELP ASAP THIS IS FOR A GRADE AND THANK YOU FOR HELP!!! After the trumpet was sounded and the flag folded, a member of the honor guard knelt in front of my frail, aging mother, looked her directly
answered
Feb 17, 2018
English
middle-school
4
votes
208k
views
Which term do biologists use to describe the number of individuals a species requires to reproduce successfully and prevent it from going extinct? carrying capacity population density minimal viable population
answered
Feb 6, 2018
Biology
college
0
votes
185k
views
The right figure is a isometry of the left figure. Tell whether their orientations are the same or opposite. Then classify the isometry A. opposite orientation reflection B. opposite orientation translation
answered
May 23, 2017
Mathematics
high-school
4
votes
126k
views
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