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About 42.3% of Californians speak a language other than English at home. Using your class as...

About 42.3% of Californians speak a language other than English at home. Using your class as the sample, conduct a hypothesis test to determine if the percent of students at school that speak a language other than English at home is different from 42.3%. 23 out of 34 students in the sample speak a language other than English at home

a. Indicate the correct decision (“reject the null hypothesis” or “do not reject the null hypothesis”) and write an sentence explaining.

Decision:

Conclusion:

b. Construct a 95% Confidence Interval for the true mean or proportion. Include a sketch of the graph of the situation. Label the point estimate and the lower and upper bounds of the Confidence Interval.

Confidence Interval: ( ___________________ , ___________________ )

c. Interpret the confidence interval in a sentence.

Math   Statistics-And-Probability   
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