Symmetrical limits of the population percentage

Assignment Help Basic Statistics

Reference no: EM1388497

You plan to conduct a marketing experiment in which people are to taste one of two different brands of drinks. Their task is to correctly identify the brand tasted. random sample of 200 students.

A. What is the probability that the sample will have between 50 and 60% of the identifications correct?

B. The probability is 90% that the sample percentage is contained within what symmetrical limits of the population percentage?

C. what is the probability that the sample percentage of correct identifications is greater than 65%?

D. which is more likely to occur----more than 60% correct in the sample of 200 or 55% in a sample of 1000? Explain.

Reference no: EM1388497

Questions Cloud

Minimum amount of water pumped : Find the minimum amount of water pumped in 30 days. Let y be the total number of gallons pumped x days after pumping being. Note that (0,0) is on graph of the equation.

Function of mechanical digestion : Three groups of cyclists shown above consumed 3-different types of diets: high-carbohydrate, a diet mixed in carbohydrates, or a diet higher in protein and fat.

Write java program to store employee id number : Use employee data file called employees.txt should comprise at least 5 employee records. Each record stores employee ID number (six digits) last name, first name, middle inital,gender(m or f).

How far away did the impact occur : A person, with his ear to the ground, sees a huge stone strike the concrete pavement. A moment later two sounds are heard from the impact: one travels in the air and the other in the concrete, and they are 6.60s apart. How far away did the impact ..

Symmetrical limits of the population percentage : The probability is 90% that the sample percentage is contained within what symmetrical limits of the population percentage?

Write java program to utilizes gui with five text fields : Write down the program called MaxMinAvgGUI.java which utilizes GUI with five(5)text fields which asks user to enter 5(five) decimal numbers. 1(one)number in each text field.

What is the rims tangential speed : At what speed do a bicycle and its rider, with a combined mass of 100-kg, have the equal momentum as a 1500 kg car travelling at 5 ;{ rm m}/ {rm s}.

Good estimation of the population mean : Use technology to find the estimated minium required sample size. The minimum sample size required is ? Computer users round to the nearest whole number. What is a major obstacle to getting a good estimate of the population mean?

How fast was the car traveling : A car drives straight off the edge of a cliff that is 60 m high. The police at the scene of the accident observed that the point of impact is 134 m from the base of the cliff. How fast was the car traveling while it went over the cliff.

User Account

All Pages