Determining normally distributed for population

Assignment Help Basic Statistics

Reference no: EM1318611

Q1) Assume that newspaper conducts survey of random sample of 120 registered voters to predict winner of a local election. Republican candidate was favoured by 62 of the respondents.

Create and interpret a 99% confidence interval for π, true proportion of voters who favour Republican candidate.

Q2) A random sample of houses in LA is chosen and level of radon gas is measured for each house in sample. Values gathered are given below in parts per million (ppm.) Experience has shown that radon gas level is approximately normally distributed for this population.

5,4,8,13,6,7,3,9,8,4,11,8

Create the 95% confidence interval for μ.

Reference no: EM1318611

Questions Cloud

Probability and z-score based on normal distribution : Assume that x has a normal distribution, with the specified mean and standard deviation. Find the indicated probabilities.

Evaluating the proportion within confidence : How many voters required to be sampled to evaluate the proportion within 0.05 with 95% confidence?

Output of convolution : Convolve sub-image shown below with the 3x3 mean filters. Specify the output of convolution at the center entry of sub-image?

Case study wallace corporation : Wallace Corporation was looking to hire a senior Administrative Assistant. After HR reviewed the applications of the various candidates, two were selected for personal interviews with the hiring manager.

Determining normally distributed for population : Experience has shown that radon gas level is approximately normally distributed for this population.

Normal distributed with mean : In healthy adults, x is approximately normally distributed with mean µ = 38 and standard deviation σ = 12. What is the probability that:

Program declaring an integer variable : Write down a complete program that declares an integer variable, reads a value from keyboard into that variable.

Personality traits management style and leadership qualities : Describe the personality traits, management style, and leadership qualities that helped him or her lead the company to a successful implementation of new practices.

Creating the unbiased point estimate : Use given data to create the unbiased point estimate of 12Ïƒ'> 2 of percentage of termites that are minor workers.

User Account

All Pages