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Margin of error = 0.028
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HE At one store, 72.6% of the 1000 customers surveyed said checkout lines are too long....
At one store, 33.4% of the 600 customers surveyed said checkout lines are too long. Find...
At one store, 33.4% of the 600 customers surveyed said checkout lines are too long. Find the margin of error for 95% confidence for the proportion of customers that said checkout lines are too long.
Hint At one store, 27.2% of the 800 customers surveyed said checkout lines are too long....
Hint At one store, 27.2% of the 800 customers surveyed said checkout lines are too long. Find the margin of error for 95% confidence for the proportion of customers that said checkout lines are too long %
A new fertilizer was applied to the soil of 36 bean plants. 52% showed increased growth....
A new fertilizer was applied to the soil of 36 bean plants. 52% showed increased growth. Find the margin of error and 95% confidence interval for this statistic. Round all answers to 1 decimal place. Margin of Error (as a percentage): % Confidence Interval: % to Add Work Submit Question A sample of voters were polled to determine the likelyhood of measure 324 passing. The poll determined that 37 % of voters were in favor of the measure with a...
In one city, 41.4% of the 8500 students surveyed said they eat at the school cafeteria....
In one city, 41.4% of the 8500 students surveyed said they eat at the school cafeteria. Find the 95% confidence interval for the proportion of students that said they eat at the school cafeteria. _?_% to _?_%
Hint1 Hint In one city, 28.8% of the 7500 students surveyed said they eat at the...
Hint1 Hint In one city, 28.8% of the 7500 students surveyed said they eat at the school cafeteria. Find the 95% confidence interval for the proportion of students that said they eat at the school cafeteria. % to %
At one large college, 1969 out of the 3500 students surveyed said they plan to take...
At one large college, 1969 out of the 3500 students surveyed said they plan to take another science class. Find the 95% confidence interval for the proportion of students that said they plan to take another science class. _?_% to _?_%
Hint1 Hinta At one large college, 5540 out of the 8500 students surveyed said they plan...
Hint1 Hinta At one large college, 5540 out of the 8500 students surveyed said they plan to take another science class. Find the 95% confidence interval for the proportion of students that said they plan to take another science class. % to % Add Work Submit Question
A survey of 355 working parents found 200 who said they spend too little time with...
A survey of 355 working parents found 200 who said they spend too little time with their children because of work commitments. (a) What is the point estimate of the proportion of the population of working parents who feel they spend too little time with their children because of work commitments? (b) At 95% confidence, what is the margin of error? (c) What is the 95% confidence interval estimate of the population proportion of working parents who feel they spend...
1. A random sample of 82 customers, who visited a department store, spent an average of...
1. A random sample of 82 customers, who visited a department store, spent an average of $71 at this store. Suppose the standard deviation of expenditures at this store is O = $19. What is the e 98% confidence interval for the population mean? 2. A sample of 25 elements produced a mean of 123.4 and a standard deviation of 18.32 Assuming that the population has a normal distribution, what is the 90% confidence interval for the population mean? 3....
il store chain with 2 locations is worried that Store #1 is slacking on the quality...
il store chain with 2 locations is worried that Store #1 is slacking on the quality of their customer service. They want to run a hypothesis test that the percent of customers who think their service was pooris the same at both locations. They have collected the following data. Refer to Store #1 as Population 1 and Store #2 as Population 2, and answer the following questions leading up to the hypothesis test. Store #1 (population 1)Customers surveyed = 200...
Hint At one store, 27.2% of the 800 customers surveyed said checkout lines are too long. Find the margin of error for 95% confidence for the proportion of customers that said checkout lines are too long %
A new fertilizer was applied to the soil of 36 bean plants. 52% showed increased growth. Find the margin of error and 95% confidence interval for this statistic. Round all answers to 1 decimal place. Margin of Error (as a percentage): % Confidence Interval: % to Add Work Submit Question A sample of voters were polled to determine the likelyhood of measure 324 passing. The poll determined that 37 % of voters were in favor of the measure with a...
Hint1 Hint In one city, 28.8% of the 7500 students surveyed said they eat at the school cafeteria. Find the 95% confidence interval for the proportion of students that said they eat at the school cafeteria. % to %
Hint1 Hinta At one large college, 5540 out of the 8500 students surveyed said they plan to take another science class. Find the 95% confidence interval for the proportion of students that said they plan to take another science class. % to % Add Work Submit Question
1. A random sample of 82 customers, who visited a department store, spent an average of $71 at this store. Suppose the standard deviation of expenditures at this store is O = $19. What is the e 98% confidence interval for the population mean? 2. A sample of 25 elements produced a mean of 123.4 and a standard deviation of 18.32 Assuming that the population has a normal distribution, what is the 90% confidence interval for the population mean? 3....
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