Technician A says that the first step in diagnosing engine condition is to perform a thorough visual inspection. Technician B says that oil leaks can be found by measuring straight up from where the oil drips on the floor. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
A
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This type of section is commonly used on an object that is consistent in shape throughout its length and where the shapes cannot be clearly shown in a regular multiview, and no cutting plane line is typically used.
a. broken-out section b. auxiliary section c. revolved section d. removed section
The article “Application of Surgical Navigation toTotal Hip Arthroplasty” reports that in a sample of 123 hip surgeries of a certain type, the average surgery time was 136.9 minutes with a standard deviation of 22.6 minutes.
a. Find a 95% confidence interval for the mean surgery time for this procedure. b. Find a 99.5% confidence interval for the mean surgery time for this procedure. c. A surgeon claims that the mean surgery time is between 133.9 and 139.9 minutes. With what level of confidence can this statement be made? d. Approximately how many surgeries must be sampled so that a 95% confidence interval will specify the mean to within ±3 minutes? e. Approximately how many surgeries must be sampled so that a 99% confidence interval will specify the mean to within ±3 minutes?
Cloey has just purchased new bedroom furniture from Haverty’s for a total of $10,000. She paid 20% down and, through a special promotional, she can pay off the $8000 in ten $800, no-interest payments over the next 10 months. The smaller print at the bottom of the contract states that if any of the payments is not paid in full (meaning $800) or late by one or more days, the remaining unpaid balance will revert to an interest-based loan at the APR rate of 36% per year, compounded monthly, to be paid out completely in a period of 5 months starting 1 month after any infraction of the agreement. Cloey made the first three payments on time and in the full amount; however, she could only pay $600 on time when the fourth payment was due. (a) Calculate the equal monthly payments that she must
now pay, again in the full amount and on time to avoid further penalties stated in additional “fine print” of the agreement. (b) How does the total amount she paid for the furniture over the 10-month period including the APR-penalty interest compare with the original cost of $10,000? Assume Cloey makes all five interest-bearing payments in full and on time. What will be an ideal response?
There is no place on the jobsite for seemingly innocent _________________________ as it can lead to serious injuries.
What will be an ideal response?