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to play Mozart in the house at least 30 minutes each day until they give...

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Statistics

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to play Mozart in the house at least 30 minutes each day until they give birth After 5 years the child is administered an Sample of 20 mothers in the first trimester of their pregnancy The mothers are asked IQ test It is known that IQs are normally distributed with a mean of 100 If the IQs of the 20 children in the study result in a sample mean of 104 1 and sample standard deviation of 14 7 is there evidence that the children have higher 10s Use the a 0 10 level of significance satisfied D The normal distribution because the parameter is a proportion p and the model conditions are satisfied Calculate the test statistic Test statistic 1 25 Round to two decimal places as needed Calculate the P value P value 0 119 Round to three decimal places as needed

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