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In a sample of 270 households in a certian citym 210 had high speed internet access. can you conclude that more than 70% of the households in this city have high speed internet acces? round p to four decimal places and z to two decimal places.
What is the probability? round to 4 decimal places
a roulette wheel has slots numbered 1 to 36 and two labeled with 0 and 00. suppose that all 38 outcomes have equal
The number of viewers of American Idol has a mean of 33 million with a standard deviation of 10 million. What is the probability that next week's show will: Have between 37 and 44 million viewers?
A random sample of 81 credit sales in a department store showed an average sale of $68.00. From past data, it is known that the standard deviation of the population is $27.00.
Provide examples of a different data collection method and a data collection instrument used in managerial research. Why is it important to ensure that these data collection methods and instruments are both reliable and valid?
can you give me an operation example of the differences between scalar multiplication and matrix
A regression of height (X, in inches) on hourly earnings (Y, in dollars), yields the following results: What is the value of b1 in the regression Y = b0 + b1X?
barrons reported that the average number of weeks an individual is unemployed is 17.5 weeks barrons february 18 2008.
A month of sales data are collected on sales of different types of computer products Run the t-tests to determine:
Using data provided, test if there is a difference between means at alpha =.05.
Suppose that we observe a random sample size n from a normally distributed population. If we are able to reject H0:µ = µ in favor of a two-tailed alternative hypothesis at the 10% significant level
Many different kinds of data can be modeled or measured easily using exponential and logarithmic functions. For example, consider ideal gases:
A retailer finds that the demand for a very popular board game averages 100 per week with a standard deviation of 20. If the seller wishes to have adequate stock 95% of the time.
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