What percentage of participants rated the eyes

Reference no: EM13489326

1) A normal distribution has a mean equal to 45. What is the standard deviation of this normal distribution if 2.5% of the proportion under the curve lies to the right of x=50.88?

2) 56 men and 82 women were asked to rate 21 different body parts on a scale of 1 (no opinion) to 5 (very desirable). They found that men and women rated eyes similarly, with an average rating of about 3.77+/- 1.23 (M+/-SD). Assuming these data are normally distributed,

a. What percentage of participants rated the eyes at least a 5 (very desirable)?

b. What percentage rated the eyes at most a 1 (no opinion)?

Reference no: EM13489326

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