What sample size is required from each of two sets of two blood donors to have a power of 90% (B = 0.1) of detecting a 2% difference in the means of glucose levels between them. Use u= 100 mg/dL, o = 02 = 2, Ao = 0, a = 0.05.

Find an equation for the line parallel to 2y+10x=6 and goes through the point (-9,7).Write your answer in the form y=mx+b.

A survey of hospital patients is taken to determine preference for chicken soup or vegetable soupduring their stay in hospital. Of the 300 respondents, 165 were male and 135 were female. 120 preferred vegetable soup and 180 preferred chicken soup. Of the males, 135 preferred chicken soup. a) Fill in the contingency table: /1Vegetable soup Chicken soup TotalMale 135 165Female 135Total 120 180 300b) What is the probability of randomly selecting a male respondent? (in 3 sig figs)c) What is the probability of randomly selecting a patient who preferred chicken or vegetable soup? (in 3 sig figs)

Tyler’s walking rate is 5 yards per one second. Write an equation that utilizes Tyler’s walking rate, representing the relationship between distance traveled (d) and time (t).