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A senior loan officer for Whitney National Bank has recently studied the bank's real estate loan portfolio and found that the distribution of loan balances is approximately normally distributed with a mean of $155,600 and a standard deviation equal to $33,050. As part of an internal audit, bank auditors recently randomly selected 100 real estate loans from the portfolio of all loans and found that 80 of these loans had balances below $170,000. The senior loan officer is concerned that the sample selected by the auditors is not representative of the overall portfolio. In particular, he is interested in knowing the expected proportion of loans in the portfolio that would have balances below $170,000. You are asked to conduct an appropriate analysis and write a short report to the senior loan officers with your conclusion about the sample.
q1. in testing the difference between two population means using two independent samples we use thepooled variance in
One of the statistics collected is the porportion of time employees forget to include a napkin in the bag. What is the probability that there is no napkin included for a given order?
Regression equation Credits=15.4-.07. Select the correct statement. Increase in number of hours worked per week increases the expected number of credits.
Your new project is coming in over budget and requires a cost change through the cost change control system. The cost variance was projected using which of the following tools and techniques?
in a city in italy 30 of the families have a mastercard 20 have amex 25 visa 8 mc amp amex 12 visamc 6 have amex amp
discuss the advantages of constructing a relative frequency distribution as opposed to a frequency
Suppose data collected by observers at randomly selected intersections across the country revealed that in a sample of 85 drivers 60 were using their cell phones. Compute a 97% confidence interval for p, the true driver cell phone use rate.
Identify the point estimate of the average number of available hotel rooms in this lesson from each sample. Construct and Interpret a 95% confidence level for the true mean number of available hotel rooms, based on the point estimate of each sampl..
Let x denote the total number of steps required to do the analysis (both procedures). Show the value of the random variable for each of the experimental outcomes.
A touring company has the following box office takings for the recent month.
Examine the classifications of security controls (physical, administrative, and technical) and the types of security controls (preventive, detective, and corrective). Explain how these different types of controls are used to enforce security polic..
The Water Authority informs Margaret that for a special fee of $6,000 this year, her farm will qualify for an additional allotment of 600 acre-feet of water. How should she respond?
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