Find the sample size necessary to estimate the mean weight of all supermodels so that there is
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Find the sample size necessary to estimate the mean weight of all supermodels so that there is 95% confidence that the sample mean is in error by no more than 2 lb. Assume that a pilot study suggests that the weights of all supermodels have a standard deviation of 7.5 lb.
Use the following weights (in pounds) of randomly selected supermodels.
Transcribed Image Text:
125 (Taylor) 119 (Auermann) 128 (Schiffer) 125 (Bundchen) 119 (Turlington) 127 (Hall) 105 (Moss) 123 (Mazza) 110 (Reilly) 103 (Barton)
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I am pursuing a Masters course in mathematics. I love maths and have always been good at it. I like teaching as well. I have taught under-privileged kids of class 7 to 9 for a year in association with Teach For India organisation.
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