A pharmaceutical company is considering investing in a new and improved vitamin D supplement for children. Vitamin
Question:
a) Find a 98% confidence interval for the proportion of children in England who are deficient in vitamin D.
b) Explain carefully what your interval means.
c) Explain what “98% confidence” means.
d) Does the study show that computer games are a likely cause of rickets? Explain.
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Related Book For
Business Statistics
ISBN: 9780321925831
3rd Edition
Authors: Norean Sharpe, Richard Veaux, Paul Velleman
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