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randomly sampled infants between 12 and 15 months of age. Of the 710 infants, 121 experienced a loss of appetite. Is this significant evidence to conclude that the proportion of infants who receive Prevnar and experience a loss of appetite is different than 0.135 which is the proportion of children who experience a loss of appetite with competing medications? is an a of .05.

a) state the null and alternative hypotheses.

b) calculate the test statistic.

c)report the p-value

d)state a conclusion in context of the problem.

e)calculate a 95% confidence interval for the proportion of infants on Preener who experience a loss of appetite. Interpret the confidence interval in context of the problem.

f) does your confidence interval agree with the results of the hypothesis test? explain.

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