Wednesday
December 4, 2013

# Posts by pat

Total # Posts: 585

Math
\$1000 in a savings bond on the day you were born. The bond pays 6% interest compounded annually. How much is it worth in 18 yrs? I know it earns \$60 a yr. but I am lost after that.

statistics
A TV pollster believes that 75% of all TV households would be tuned in to Game 6 of 1997 NBA Championship series between the Chicago Bulls and the Utah Jazz. A sample of 1000 TV households was selected and 722 indicated they were tuned into the game. Find the point estimate fo...

Math
You invest \$7,000 in a two-year CD. At the end of the 2 years, you receive \$8,331.97. Assume you left the first year' s interest in the account, what was your yearly interest rate?

English
Reminds me of movie and a book I read!

statistics
The time it takes Jessica to bicycle to school is normally distributed with an average of a third of an hour and a variance of 9 minutes. Jessica has to be at school at 8:15 am. What time should she leave the house so she will be late on 5% of the time?

statistics
An agricultural economist is interested in determining the average diameter of peaches produced by a particular tree. A random sample of 50 peaches is taken and the sample mean calculated. Suppose that the average diameter of peaches on this tree is known from previous years&#...

statistics
the dean of admissions in a large university has determined that the scores of the freshman class in a mathematics test are normally distributed with a mean of 86 and a standard deviation of 11. A sample of 50 students is selected at random from the entire freshman class. Base...

Physics
You have a 2.00 kg block of lead. Lead melts at 327.5Â°C. CPb = 130.0 , and ï„Hf for lead is 2.04 Ã— 104 J/kg. Say you start at room temperature (25.0Â°C). How much heat must you transfer to melt all the lead?

math
if one boy runs 2 3/5 miles a day for 4 days and another boy runs 10 miles in 4 days who runs further?

Physics
A 500.0 g metal block absorbs 3.25 × 103 J of heat to raise its temperature by 50.0 K. What is the substance? Please show steps because I have several problems like this and then I can see where I am goibg wrong

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