Mathematics, 03.12.2019 22:31 Toyared
Asurvey claims that 7 out of 10 customers recommend western drugs for pharmacy issues. to test the claim, a random sample of 100 customers is obtained from the list of rewards customers. of these 100 customers, 75 indicate that they recommend using western drugs for pharmacy needs. we would like to know if this claim is accurate. a. state the null and alternative hypotheses. b. perform a one sample z-test for proportions. what is the test statistic? c. what is the associated p-value? d. state your conclusion at α = .05 e. interpret your findings
Answers: 3
Mathematics, 21.06.2019 16:30
Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?
Answers: 3
Mathematics, 21.06.2019 17:30
What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9
Answers: 1
Mathematics, 21.06.2019 17:30
Nick and nora are married and have three children in college. they have an adjusted gross income of 47,400. if their standard deduction is 12,600 itemized deductions are 14,200 and they get an exemption of 4000 for each adult and each dependent what is their taxable income
Answers: 3
Mathematics, 21.06.2019 18:30
The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude
Answers: 3
Asurvey claims that 7 out of 10 customers recommend western drugs for pharmacy issues. to test the c...
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