10 The sampling distribution of the population proportion is based on a binomial distribution. What condition...
10 The sampling distribution of the population proportion is based on a binomial distribution. What condition must be met to use the normal approximation for the confidence interval? Show work in excel.
Homework Answers
10)
Let 
If the values 
and 
both are greater than 5, we can use Normal approximation to
Binomial distribution.
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10 The sampling distribution of the population proportion is
based on a binomial distribution. What condition...
Why is a binomial distribution a reasonable approximation of a sampling distribution for a population proportion...
Why is a binomial distribution a reasonable approximation of a sampling distribution for a population proportion when the population is large relative to the sample size?
Do not use normal approximation method. The question is asking for exact binomial distribution method. Ans:...
Do not use normal approximation method. The question is asking
for exact binomial distribution method. Ans: 95%CI=(0.51,0.91)
3. In class we analyzed data on whether taller US presidential candidate won the election. Analyze the data for 1932-2012 below (note: Mitt Romney is 1 inch taller than Barrack Obama). Frequency 15 taller shorter construct 95% confidence interval for the proportion that taller US presidential candidates won the election based on exact binomial distribution. Show your work.
You intend to estimate a population proportion with a confidence interval. The data suggests that the...
You intend to estimate a population proportion with a confidence interval. The data suggests that the normal distribution is a reasonable approximation for the binomial distribution in this case. Find the critical value that corresponds to a confidence level of 99%. (Report answer accurate to three decimal places with appropriate rounding) Za/2
You intend to estimate a population proportion with a confidence interval. The data suggests that the...
You intend to estimate a population proportion with a confidence interval. The data suggests that the normal distribution is a reasonable approximation for the binomial distribution in this case. While it is an uncommon confidence level, find the critical value that corresponds to a confidence level of 91.9%. (Report answer accurate to three decimal places with appropriate rounding.) 23/2
You intend to estimate a population proportion with a confidence interval. The data suggests that the...
You intend to estimate a population proportion with a confidence interval. The data suggests that the normal distribution is a reasonable approximation for the binomial distribution in this case. While it is an uncommon confidence level, find the critical value that corresponds to a confidence level of 81.2%. (Report answer accurate to three decimal places with appropriate rounding.) za/2 = ±
6. The sampling distribution of the sample proportion In 2007, about 30% of new-car purchases in ...
Please Help me to full the all
blank (11 blanks in total)
6. The sampling distribution of the sample proportion In 2007, about 30% of new-car purchases in California were financed with a home equity loan. [Source: "Auto Industry Feels the Pain of Tight Credit," The New York Times, May 27, 2008.] The ongoing process of new-car purchases in California can be viewed as an infinite population Define p as the proportion of the population of new-car purchases in California...
6. The sampling distribution of the sample proportion Aa Aa In 2007, about 14% of new-car purchas...
6. The sampling distribution of the sample proportion Aa Aa In 2007, about 14% of new-car purchases in New York were financed with a home equity loan. [Source: "Auto Industry Feels the Pain of Tight Credit," The New York Times, May 27, 2008.] The ongoing process of new-car purchases in New York can be viewed as an infinite population Define p as the proportion of the population of new-car purchases in New York that are financed with a home equity...
6. The sampling distribution of the sample proportion Aa Aa In 2007, about 14% of new-car...
6. The sampling distribution of the sample proportion Aa Aa In 2007, about 14% of new-car purchases in New York were financed with a home equity loan. [Source: "Auto Industry Feels the Pain of Tight Credit," The New York Times, May 27, 2008.] The ongoing process of new-car purchases in New York can be viewed as an infinite population Define p as the proportion of the population of new-car purchases in New York that are financed with a home equity...
A random sample of size n = 60 is selected from a binomial distribution with population...
A random sample of size n = 60 is selected from a binomial distribution with population proportion p = 0.25. (a) What will be the approximate shape of the sampling distribution of p? O skewed to the right O skewed to the left O normal (b) What will be the mean and standard deviation (or standard error) of the sampling distribution of p? (Round your answers to four decimal places.) C standard deviation mean (c) Find the probability that the...
A random sample of n = 200 observations from a binomial population produced x = 190...
A random sample of n = 200 observations from a binomial population produced x = 190 successes. Find a 90% confidence interval for p. (Round your answers to three decimal places.) _______ to _______ Interpret the interval. 90% of all values will fall within the interval. There is a 10% chance that an individual sample proportion will fall within the interval. There is a 90% chance that an individual sample proportion will fall within the interval. In repeated sampling, 90%...
Do not use normal approximation method. The question is asking
for exact binomial distribution method. Ans: 95%CI=(0.51,0.91)
3. In class we analyzed data on whether taller US presidential candidate won the election. Analyze the data for 1932-2012 below (note: Mitt Romney is 1 inch taller than Barrack Obama). Frequency 15 taller shorter construct 95% confidence interval for the proportion that taller US presidential candidates won the election based on exact binomial distribution. Show your work.
You intend to estimate a population proportion with a confidence interval. The data suggests that the normal distribution is a reasonable approximation for the binomial distribution in this case. Find the critical value that corresponds to a confidence level of 99%. (Report answer accurate to three decimal places with appropriate rounding) Za/2
You intend to estimate a population proportion with a confidence interval. The data suggests that the normal distribution is a reasonable approximation for the binomial distribution in this case. While it is an uncommon confidence level, find the critical value that corresponds to a confidence level of 91.9%. (Report answer accurate to three decimal places with appropriate rounding.) 23/2
Please Help me to full the all
blank (11 blanks in total)
6. The sampling distribution of the sample proportion In 2007, about 30% of new-car purchases in California were financed with a home equity loan. [Source: "Auto Industry Feels the Pain of Tight Credit," The New York Times, May 27, 2008.] The ongoing process of new-car purchases in California can be viewed as an infinite population Define p as the proportion of the population of new-car purchases in California...
6. The sampling distribution of the sample proportion Aa Aa In 2007, about 14% of new-car purchases in New York were financed with a home equity loan. [Source: "Auto Industry Feels the Pain of Tight Credit," The New York Times, May 27, 2008.] The ongoing process of new-car purchases in New York can be viewed as an infinite population Define p as the proportion of the population of new-car purchases in New York that are financed with a home equity...
6. The sampling distribution of the sample proportion Aa Aa In 2007, about 14% of new-car purchases in New York were financed with a home equity loan. [Source: "Auto Industry Feels the Pain of Tight Credit," The New York Times, May 27, 2008.] The ongoing process of new-car purchases in New York can be viewed as an infinite population Define p as the proportion of the population of new-car purchases in New York that are financed with a home equity...
A random sample of size n = 60 is selected from a binomial distribution with population proportion p = 0.25. (a) What will be the approximate shape of the sampling distribution of p? O skewed to the right O skewed to the left O normal (b) What will be the mean and standard deviation (or standard error) of the sampling distribution of p? (Round your answers to four decimal places.) C standard deviation mean (c) Find the probability that the...
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