The probability that houses in an urban area were burglarized is 0.25, if 5 houses were selected...

The probability that houses in an urban area were burglarized is 0.25, if 5 houses were selected at random and asked their owners if they were burglarized , the probability that at least 4 say yes is:

a. .015

b. .001

c. .016

d. .237

Expert Solution

orchestra answered 2 years ago

The probability that a house in an urban area will develop a leak is 6%.If 44...

The probability that a house in an urban area will develop a leak is 6%.If 44 houses are randomly selected, what is the probability that none of the houses will develop a leak? Round to the nearest thousandth.

In a certain urban area the probability that a middle-age person has hypertension is 0.2.

In a certain urban area the probability that a middle-age person has hypertension is 0.2. The probability that a middle-age person has high cholestrol is 0.8. Assume that these two conditions are mutually independent. The probability that a randomly chosen middle-age person suffers from at least one of these two conditions is closest to:

For a certain urban area, in a sample of 5 months, an average of 28 mail...

For a certain urban area, in a sample of 5 months, an average of 28 mail carriers were bitten by dogs each month. The standard deviation of the population is 3 mail carriers. Find the 90% confidence interval of the true mean number of mail carriers who are bitten by dogs each month.

A random sample of 5 months in an urban area showed an average of 28 mail...

A random sample of 5 months in an urban area showed an average of 28 mail carriers were bitten by dogs. If the population is normal and the standard deviation of the sample is 3 find the 95% confidence interval for the population mean.

Question 5 An urban planner is researching commute times in the San Francisco Bay Area to...

Question 5 An urban planner is researching commute times in the San Francisco Bay Area to find out if commute times have increased. In which of the following situations could the urban planner use a hypothesis test for a population mean? Check all that apply. The urban planner asks a simple random sample of 110 commuters in the San Francisco Bay Area if they believe their commute time has increased in the past year. The urban planner will compute the...

COMMON STOCK A COMMON STOCK B PROBABILITY RETURN PROBABILITY RETURN 0.25 10% 0.20 −5% 0.50 15%...

COMMON STOCK A COMMON STOCK B PROBABILITY RETURN PROBABILITY RETURN 0.25 10% 0.20 −5% 0.50 15% 0.30 6% 0.25 18% 0.30 16% 0.20 22% expected rate of return and risk) Summerville Inc. is considering an investment in one of two common stocks. Given the information in the popup window: , which investment is better, based on the risk (as measured by the standard deviation) and return of each? a. The expected rate of return for Stock A is %. (Round...

Different hotels in a certain area are randomly selected, and their ratings and prices were obtained...

Different hotels in a certain area are randomly selected, and their ratings and prices were obtained online. Using technology, with x representing the ratings and y representing price, we find that the regression equation has a slope of 125 and a y-intercept of negative 374. Complete parts (a) and (b) below. a. What is the equation of the regression line? Select the correct choice below and fill in the answer boxes to complete your choice. A. yequals nothingplusleft parenthesis nothing...

You are saving for the down payment on a house. The houses in the area you...

You are saving for the down payment on a house. The houses in the area you prefer have an average selling price of $450,000 and you need a 10% down payment to ensure your mortgage payments are not too high. You have $30,000 saved that you can invest today at 6.5% (annual compounding). a) How long before you will have enough for the down payment saved? b) You want to buy the house sooner. In addition to the $30,000 saved...

The local indigenous communities will be relocated from the area the houses are built upon. The...

The local indigenous communities will be relocated from the area the houses are built upon. The leaders of the communities object, but their combined contribution to the market economy (measured with GDP) is negligible. Using internet research discuss the weaknesses of GDP as a measure of welfare. Describe the three parts to Wight’s taxonomy of ethical action and apply it to the decision whether to go ahead with the project

The population proportion is 0.25. What is the probability that a sample proportion will be within...

The population proportion is 0.25. What is the probability that a sample proportion will be within (plus or minus)+-0.05 of the population proportion for each of the following sample sizes? Round your answers to 4 decimal places. Use z-table. a. n=100 b. n=200 c. n=500 d. n=1,000 e. What is the advantage of a larger sample size? With a larger sample, there is a (lower/higher) probability will be within (plus or minus) +-0.05 of the population proportion .

Question