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NNBC recently reported that the mean annual cost of auto
NNBC recently reported that the mean annual cost of auto insurance is 999 dollars. Assume the standard deviation is 285 dollars. You take a simple random sample of 80 auto insurance policies.Find the … read more
Scott
Master's Degree
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CNNBC recently reported that the mean annual cost of auto
CNNBC recently reported that the mean annual cost of auto insurance is 999 dollars. Assume the standard deviation is 285 dollars. You take a simple random sample of 80 auto insurance policies.Find the… read more
Scott
Master's Degree
5,811 satisfied customers
Statistics question (chapter on sampling and sample
Statistics question (chapter on sampling and sample distributions). A random sample is drawn from a normally distributed population with mean μ = 12 and standard deviation σ = 1.5. (Use the z score ta… read more
Ray Atkinson
Bachelor's Degree
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I have a problem in plugging in the following to get "P":
I have a problem in plugging in the following to get "P": 0.25 (1/P x 6 - r) = 0 r = 1.5(B-P)^-0.5 Can somebody write the single steps to get "P" solution is: P = 4(B-P)^0.5 the exponent is "minus 0.5… read more
Steve
Teacher
Bachelor's Degree
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1. The formula for perimeter is p = 2 l + 2 w. If the perimeter
1. The formula for perimeter is p = 2 l + 2 w. If the perimeter p of a rectangle is 200 mm (millimeters) and the width w = 30 mm, what is l? A. 100 mm B. 140 mm C. 60 mm D. 70 mm 2. Find the value of … read more
akch2002
Master's Degree
3,849 satisfied customers
1). A mother wants to invest \$7,000 for her childrens education.
1). A mother wants to invest \$7,000 for her children's education. She invests a portion of the money in a bank certificate of deposit (CD account) which earns 40% and the remainder in a savings bond t… read more
akch2002
Master's Degree
3,849 satisfied customers
Minimum Wage The table shows the minimum wage for three different
Minimum Wage The table shows the minimum wage for three different years. Year 1940 1968 1997 Wage (\$) 0.25 1.60 5.15 (a) Make a scatterplot of the data in the viewing rectangle [1930, 2010, 10]by [0, … read more
akch2002
Master's Degree
3,849 satisfied customers
. A statistical analysis of 1,000 long-distance telephone
. A statistical analysis of 1,000 long-distance telephone calls indicates that the length of these calls is normally distributed with a population mean of 240 seconds and population standard deviation… read more
John
Software Engineer
664 satisfied customers
6. Solve what percentage of 140 are 28 8. Find the decimal
6. Solve what percentage of 140 are 28? 8. Find the decimal notion for the fraction -6/11 12. Solve 5.89-(-5) 14. Solve 70=10(5y + 2) 16. The expression for figuring a students average test scores is … read more
Davi
Bachelor's Degree
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#1 Jordan Broadcasting Company is going public at \$40 net
#1 Jordan Broadcasting Company is going public at \$40 net per share to the company. There also are founding stockholders that are selling part of their shares at the same price. Prior to the offering,… read more
Falak Naz
Master's Degree
324 satisfied customers
A refracting telescope has an angular magnification of -83.00.
A refracting telescope has an angular magnification of -83.00. The length of the barrel is 1.500 m. What are the focal lengths of (a) the objective and (b) the eyepiece?… read more
lifesaver
Bachelor's Degree
980 satisfied customers
a circle has the segment PQ as diameter, P(6,-1), Q(18,4) ...
a circle has the segment PQ as diameter, P(6,-1), Q(18,4) . what is the center of the circle what is the radius of the circle, and what is the equation of the circle… read more
Dolly
Master's Degree
448 satisfied customers
6. Are the following lines parallel, perpendicular, or
6. Are the following lines parallel, perpendicular, or neither? L1 with equation x – 6y = 12 L2 with equation 6x + y = 6 A) Parallel B) Perpendicular C) Neither 11. Which property of the real numbers … read more
prabhjyot
tutor
Bachelor Degree
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1. Your state has just started a new lottery game. The
1. Your state has just started a new lottery game. The probability that a single ticket will be a winner is 0.10. You decide to buy 15 tickets. a. What is the probability that at least two tickets wil… read more
Pat Kenny
Semi-Retired
Master's Degree
232 satisfied customers
Use the definition of a parabola and the distance formula ...
Use the definition of a parabola and the distance formula to find the equation of a parabola with directrix x = 4 and focus (0, 2) . . (y – 2)^2 = –8(x – 2) b. (y + 2)^2 = 8(x – 2) c. (x + 2)^2 = –8(y… read more
Lauren N
Tutor
Bachelor Degree
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ive already failed this test 1 time and im so screwed cause i have no clue what to do. many many people have tried to help but still no sense please help… read more
Alex
Master's Degree
378 satisfied customers
A passenger trains speed is 60 mi/h, and a freight ...
A passenger train's speed is 60 mi/h, and a freight train's speed is 40 mi/h. The passenger train travels the same distance in 1.5h less time than the frieght train. How long does each train take to m… read more
J
296 satisfied customers
1- The length of a rectangle is 3 cm more than 2 times its ...
1- The length of a rectangle is 3 cm more than 2 times its worth. If the area of the rectangle is 78 cm^2, find the dimentions of the rectangle to the nearest thousandth. 2- The demand and supply equa… read more
mathsmart
Private Tutor
Bachelor Degree
778 satisfied customers
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