According to Money, 13 percent of all households own stocks. An economist wants to test this claim and see if the actual proportion is different from that claimed. In a random sample of 315 families, the economist finds that 56 of the households own stocks. For the appropriate testing problem we get a p-value of 0.4941 0.9883 0.0117 0.0059

Does it take more time for seeds to germinate if they are near rock music that is continuously playing compared to being near classical music? The 55 seeds that were exposed to rock music took an average of 29 days to germinate. The standard deviation was 5 days. The 59 seeds that were exposed to classical music took an average of 25 days to germinate. The standard deviation for these seeds was 10 days. What can be concluded at the a = 0.01 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: H₁: Select an answer ✓ Select an answer ✓ Select an answer ✓ = Select an answer ✓ Select an answer ✓ (please enter a decimal) Select an answer (Please enter a decimal) c. The test statistic ? | = d. The p-value: e. The p-value is ? ✓ a f. Based on this, we should [Select an answer the null hypothesis. g. Thus, the final conclusion is that ... (please show your answer to 3 decimal places.) (Please show your answer to 4 decimal…

A software company is interested in improving customer satisfaction rate from the 75% currently claimed. The company sponsored a survey of 136 customers and found that 109 customers were satisfied. What is the test statistic z?

The mayoral challenger claims that less than 30% of residents over the age of 25 have bachelor’s degrees in our city. To test this claim, you survey 80 adults over the age of 25 and find only 18 possess bachelor’s degrees. At the 5% level of significance, is there enough evidence to SUPPORT the challenger’s claim? Null: Ho alternative:Ha (use u for mean and p for proportion)