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QUESTION 3 10 P In the past, the value of houses a local realtor has sold...
A realtor wants to estimate the rean af houses in Mssion Calfamia. She colects a of...
A realtor wants to estimate the rean af houses in Mssion Calfamia. She colects a of 38 recent housesales in $1000s), a of which sown in the able. Assume that the standard deviaton is 100 House P 520 480 521 533 a. Construct 95% and 98% confidence intervals for the mean price of all houses in Mission Viejo, CA Use rounded sample mean. Do not round intermediate calculations. Round "z" value to 3 decimal places and final answers to 2...
Suppose that a random sample of nineteen recently sold houses in a certain city has a...
Suppose that a random sample of nineteen recently sold houses in a certain city has a mean sales price of $290,000, with a standard deviation of $13,000. Under the assumption that house prices are normally distributed, find a 90% confidence interval for the mean sales price of all houses in this community. Then complete the table below. Carry your intermediate computations to at least three decimal places. Round your answers to the nearest whole number. (If necessary, consult a list...
Suppose that a random sample of fourteen recently sold houses in a certain city has a...
Suppose that a random sample of fourteen recently sold houses in a certain city has a mean sales price of $275,000, with a standard deviation of $11,000. Under the assumption that house prices are normally distributed, find a 90% confidence interval for the mean sales price of all houses in this community. Then complete the table below. Carry your intermediate computations to at least three decimal places. Round your answers to the nearest whole number (If necessary, consult a list...
Please answer all parts The sizes of houses in Kenton County are normally distributed with a...
Please answer all parts
The sizes of houses in Kenton County are normally distributed with a mean of 1335 square feet with a standard deviation of 166 square feet. For a randomly selected house in Kenton County, what is the probability the house size is: a. over 1196 square feet? probability b. under 1240 square feet? probability= c. between 1067 and 1245 square feet? o probability- Note: z-scores should be rounded to 2 decimal places & probabilities should be rounded...
A Realtor claims that no more than half of the homes he sells are sold for...
A Realtor claims that no more than half of the homes he sells are sold for less than the asking price. When reviewing a random sample of 12 sales over the past year, he found that actually 10 were sold below the asking price. (a) The assumption of normality is justified. Yes No (b-1) Calculate a p-value for the observed sample outcome, using the normal distribution. (Round your z-value to 2 decimal places. Round your answer to 4 decimal places.)...
A real estate agent has surveyed houses in twenty nearby zip codes in an attempt to...
A real estate agent has surveyed houses in twenty nearby zip codes in an attempt to put together a comparison for a new property that she would like to put on the market. The 1057 houses she surveyed have a mean price of $191,300, with a standard deviation of $75,806. The mean living area is 1777 sq ft, with a standard deviation of 560 sq ft. Which is more unusual, a house in that market that sells for $340,000 or...
Suppose that a random sample of ten recently sold houses in a certain city has a...
Suppose that a random sample of ten recently sold houses in a certain city has a mean sales price of $295,000, with a standard deviation of $14,000. Under the assumption that house prices are normally_distributed, find a 99% confidence interval for the mean sales price of all houses in this community. Then complete the table below. Carry your intermediate computations to at least three decimal places. Round your answers to the nearest whole number. (If necessary, consult a list of...
Suppose a subdivision on the southwest side of Denver, Colorado, contains 1,500 houses. The subdivision was...
Suppose a subdivision on the southwest side of Denver, Colorado, contains 1,500 houses. The subdivision was built in 1983. A sample of 120 houses is selected randomly and evaluated by an appraiser. If the mean appraised value of a house in this subdivision for all houses is $229,000, with a standard deviation of $8,700, what is the probability that the sample average is greater than $230,500? Appendix A Statistical Tables. (Round the values of z to 2 decimal places. Round...
A family is relocating from St. Louis, Missouri, to California. Due to an increasing inventory of...
A family is relocating from St. Louis, Missouri, to California. Due to an increasing inventory of houses in St. Louis, it is taking longer than before to sell a house. The wife is concerned and wants to know when it is optimal to put their house on the market. Her realtor friend informs them that the last 23 houses that sold in their neighborhood took an average time of 165 days to sell. The realtor also tells them that based...
A family is relocating from St. Louis, Missouri, to California. Due to an increasing inventory of...
A family is relocating from St. Louis, Missouri, to California. Due to an increasing inventory of houses in St. Louis, it is taking longer than before to sell a house. The wife is concerned and wants to know when it is optimal to put their house on the market. Her realtor friend informs them that the last 22 houses that sold in their neighborhood took an average time of 160 days to sell. The realtor also tells them that based...
A realtor wants to estimate the rean af houses in Mssion Calfamia. She colects a of 38 recent housesales in $1000s), a of which sown in the able. Assume that the standard deviaton is 100 House P 520 480 521 533 a. Construct 95% and 98% confidence intervals for the mean price of all houses in Mission Viejo, CA Use rounded sample mean. Do not round intermediate calculations. Round "z" value to 3 decimal places and final answers to 2...
Suppose that a random sample of nineteen recently sold houses in a certain city has a mean sales price of $290,000, with a standard deviation of $13,000. Under the assumption that house prices are normally distributed, find a 90% confidence interval for the mean sales price of all houses in this community. Then complete the table below. Carry your intermediate computations to at least three decimal places. Round your answers to the nearest whole number. (If necessary, consult a list...
Suppose that a random sample of fourteen recently sold houses in a certain city has a mean sales price of $275,000, with a standard deviation of $11,000. Under the assumption that house prices are normally distributed, find a 90% confidence interval for the mean sales price of all houses in this community. Then complete the table below. Carry your intermediate computations to at least three decimal places. Round your answers to the nearest whole number (If necessary, consult a list...
Please answer all parts
The sizes of houses in Kenton County are normally distributed with a mean of 1335 square feet with a standard deviation of 166 square feet. For a randomly selected house in Kenton County, what is the probability the house size is: a. over 1196 square feet? probability b. under 1240 square feet? probability= c. between 1067 and 1245 square feet? o probability- Note: z-scores should be rounded to 2 decimal places & probabilities should be rounded...
A real estate agent has surveyed houses in twenty nearby zip codes in an attempt to put together a comparison for a new property that she would like to put on the market. The 1057 houses she surveyed have a mean price of $191,300, with a standard deviation of $75,806. The mean living area is 1777 sq ft, with a standard deviation of 560 sq ft. Which is more unusual, a house in that market that sells for $340,000 or...
Suppose that a random sample of ten recently sold houses in a certain city has a mean sales price of $295,000, with a standard deviation of $14,000. Under the assumption that house prices are normally_distributed, find a 99% confidence interval for the mean sales price of all houses in this community. Then complete the table below. Carry your intermediate computations to at least three decimal places. Round your answers to the nearest whole number. (If necessary, consult a list of...
A family is relocating from St. Louis, Missouri, to California. Due to an increasing inventory of houses in St. Louis, it is taking longer than before to sell a house. The wife is concerned and wants to know when it is optimal to put their house on the market. Her realtor friend informs them that the last 22 houses that sold in their neighborhood took an average time of 160 days to sell. The realtor also tells them that based...
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