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You wish to determine if the proportion of people who support that an idea has increased from 5 years ago. It is known that the
You wish to determine if the proportion of people who support that an idea has increased from 5 years ago. It is known that the proportion of people who supported the idea 5 years ago was 30%. You take a random sample of 125 people and determine that 42 people support an idea. Does the sample data provide evidence that the proportion of people who support that the idea has increased from 5 years ago? Let p represent the population proportion. Test at the 2.5% level of significance. (a) State the null and alternative hypotheses: Ho : p is equal to 0.30 Ha : p is greater than 0.30 (b) Test statistic for the test of hypothesis is given by Number (Round answer to 2 decimals places) (c) The P-value for the hypothesis test is Number (Round answer to 4 decimal places) (d) At the 2.5% of significance the sample data Click for List give enough that the proportion of people who support that an idea has increased from 5 years ago
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