Question

In: Math

Of 250 adults who tried a new multi-grain cereal, "Wow!", 187 rated it excellent; of 100...

Of 250 adults who tried a new multi-grain cereal, "Wow!", 187 rated it excellent; of 100 children sampled, 66 rated it excellent. Using the 0.1 significance level and the alternate hypothesis π1 not equal to π2 , what is the null hypothesis? Select one: a. π1 = π2 b. π1 ≠ π2 c. π1 < π2 d. π1 > π2

Solutions

Expert Solution

Answer : Option ( a ) null hypothesis :  π1 = π2

Hypothesis test :

milcah answered 1 month ago
Next > < Previous

Related Solutions

A sample of 250 adults tried the new multigrain cereal Wow! A total of 187 rated...
A sample of 250 adults tried the new multigrain cereal Wow! A total of 187 rated it as excellent. In a sample of 100 children, 66 rated it as excellent. Using the 0.1 significance level, the researcher wishes to show that adults like the cereal better than children. Which of the following is the alternate hypothesis?
Of 150 adults who tried a new cranberry-flavored peppermint patty, 90 rated it excellent. Of 250...
Of 150 adults who tried a new cranberry-flavored peppermint patty, 90 rated it excellent. Of 250 children sampled, 190 rated it excellent. Use the 0.03 level of significance. Regarding whether there is a significant difference in the proportion of adults and the proportion of children who rate the new flavor as excellent, which of the following is correct?
Problem 4 A study of 250 randomly selected smokers who tried to quit smoking with nicotine...
Problem 4 A study of 250 randomly selected smokers who tried to quit smoking with nicotine patch therapy is conducted. After the study, it is found that 60% are still smoking a year later. Use a 5% significance to test the statement that among smokers who try to quit with nicotine patch therapy, less than 75% are still smoking a year later. Please include your requirements, null and alternative hypotheses, test statistic (show equation), p-value, decision rule and conclusion. Recalculate...
5. There are 100 patients who could benefit from a new drug, Tipilor, manufactured by Zifer....
5. There are 100 patients who could benefit from a new drug, Tipilor, manufactured by Zifer. Patient i has willingness to pay i, i=1,…,100. Ignore fixed costs and assume marginal cost, c, is constant. a) What is the profit maximising price and resulting profit? b) Now assume all patients have insurance which means they only pay 10% of the price as a co-payment. What is the profit maximising price and resulting profit? c) Zifer sets up a charity to cover...
There are 100 patients who could benefit from a new drug, Tipilor, manufactured by Zifer. Patient...
There are 100 patients who could benefit from a new drug, Tipilor, manufactured by Zifer. Patient i has willingness to pay i, i=1,…,100. Ignore fixed costs and assume marginal cost, c, is constant. a) What is the profit maximising price and resulting profit? b) Now assume all patients have insurance which means they only pay 10% of the price as a co-payment. What is the profit maximising price and resulting profit? c) Zifer sets up a charity to cover the...
5. There are 100 patients who could benefit from a new drug, Tipilor, manufactured by Zifer....
5. There are 100 patients who could benefit from a new drug, Tipilor, manufactured by Zifer. Patient i has willingness to pay i, i=1,…,100. Ignore fixed costs and assume marginal cost, c, is constant. a) What is the profit maximising price and resulting profit? b) Now assume all patients have insurance which means they only pay 10% of the price as a co-payment. What is the profit maximising price and resulting profit? c) Zifer sets up a charity to cover...
The New Sales Procedures The Marin Company has more than 100 field sales representatives who sell a line of complex industrial products.
The New Sales Procedures The Marin Company has more than 100 field sales representatives who sell a line of complex industrial products. Sales of these products require close work with buyers to determine their product needs, so nearly all sales representatives are college graduates in engineering and science. Other product lines of the Marin Company, such as consumer products, are sold by a separate sales group. Recently, the firm established a new companywide control and report system using a larger...
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT