Mathematics, 10.11.2019 07:31 Hakika
Aresearch report claims that 20% of all individuals use firefox to browse the web. a software company is trying to determine if the proportion of their users who use firefox is significantly different from 0.2. in a sample of 200 of their users, 36 users stated that they used firefox. using this data, conduct the appropriate hypothesis test using a 0.01 level of significance. a) what are the appropriate hypotheses?
a)h0: p = 0.2 versus ha: p < 0.2
b)h0: p = 0.2 versus ha: p ≠ 0.2
c)h0: μ = 0.2 versus ha: μ > 0.2
d)h0: p = 0.2 versus ha: p > 0.2
b) what is the test statistic?
give your answer to four decimal places.
c) what is the p-value for the test? give your answer to four decimal places.
d) what is the appropriate conclusion?
a)fail to reject the claim that the firefox proportion is 0.2 because the p-value is smaller than 0.01.
b)conclude that the firefox proportion is not 0.2 because the p-value is smaller than 0.01.
Answers: 1
Mathematics, 21.06.2019 16:30
An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.
Answers: 2
Mathematics, 21.06.2019 21:00
Sweet t saved 20 percent of the total cost of the green-eyed fleas new album let there be fleas on earth. if the regular price is $30 how much did sweet save
Answers: 1
Mathematics, 21.06.2019 23:00
Which of the following scenarios demonstrates an exponential decay
Answers: 1
Mathematics, 22.06.2019 03:00
Select quivalent or not equivalent to indicate whether the expression above is equivalent or not equivalent to the values or expressions in the last column.
Answers: 3
Aresearch report claims that 20% of all individuals use firefox to browse the web. a software compan...
Mathematics, 30.03.2021 01:00
Mathematics, 30.03.2021 01:00
History, 30.03.2021 01:00
Computers and Technology, 30.03.2021 01:00
Mathematics, 30.03.2021 01:00
Advanced Placement (AP), 30.03.2021 01:00
Mathematics, 30.03.2021 01:00
Mathematics, 30.03.2021 01:00
Mathematics, 30.03.2021 01:00