Determine magnitude of sum to nearest whole number
Given the magnitude of vectors u an v and angle, theta, between them, determine magnitude of sum u+v to nearest whole number and angle which sum vector makes with u to nearest degree lul= 34 lvl=43 theta= 90.
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A random sample of 33 adult men had a mean weight of 182.5 pounds and a standard deviation of 22.5 pounds. Find a 99% confidence interval for the mean weight of adult men.
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