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user100 [1]
3 years ago
14

The following data are based on a survey taken by a consumer research firm.In this table x = number of televisions in household

and % = percentages of U.S. households x 0 1 2 3 4 5 or more % 3% 11% 28% 39% 12% 7% What is the probability that a household selected at random has less than 3 televisions? Select one: a. 0.81 b. 0.39 c. 0.42 d. 0.58
Mathematics
1 answer:
Mademuasel [1]3 years ago
4 0
Probability is the study of determining the chances of an event being successful or not. To determine the probability of, say, 5 events happening, you would have to add their individual probabilities. For the probability of household having less than 3 televisions, you add the data for 2, 1 and 0 televisions.

Total Probability = 3% + 11% + 28% = 42% (or 0.42 if in decimal form)
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A log-level model relating the natural logarithm of house price, y, to square footage was fit. The fitted model is stack ln (p r
Musya8 [376]

Answer:

$255,331

Step-by-step explanation:

Calculation for the estimated price

ln (price) =11.65 +0.000473*square foot

Square feet =1,692

First step is to find the ln (price)

ln (price) =11.65 +0.000473*1,692

ln (price)=12.450316

Last step is to calculate the Estimated price by using calculator to find the exponential of 12.450316

Estimated price=e^(12.450316)

Estimated price=$255,330.99

Estimated price=$255,331 Approximately

Therefore the estimated price of a house that is 1,692 square feet will be $255,331

7 0
3 years ago
Ann took a taxi home from the airport. The taxi fare was $2.10 per mile, and she gave the driver a tip of $5. Ann paid a total o
Licemer1 [7]
<span>d = miles from the airport to home. 
2.1*d+5=49.10 solve for d
d=</span>49.10-5/2.1 = 21 miles
7 0
3 years ago
What's the answer ????????
Salsk061 [2.6K]
I hope this helps you

8 0
3 years ago
Read 2 more answers
Find the volume of the solid under the plane 5x + 9y − z = 0 and above the region bounded by y = x and y = x4.
svp [43]
<span>For the plane, we have z = 5x + 9y

For the region, we first find its boundary curves' points of intersection.
x = x^4 ==> x = 0, 1.

Since x > x^4 for y in [0, 1],

The volume of the solid equals

\int\limits^1_0 { \int\limits_{x^4}^x {(5x+9y)} \, dy } \, dx = \int\limits^1_0 {\left[5xy+ \frac{9}{2} y^2\right]_{x^4}^{x}} \, dx  \\  \\ =\int\limits^1_0 {\left[\left(5x(x)+ \frac{9}{2} (x)^2\right)-\left(5x(x^4)+ \frac{9}{2} (x^4)^2\right)\right]} \, dx  \\  \\ =\int\limits^1_0 {\left(5x^2+ \frac{9}{2} x^2-5x^5- \frac{9}{2} x^8\right)} \, dx =\int\limits^1_0 {\left( \frac{19}{2} x^2-5x^5- \frac{9}{2} x^8\right)} \, dx \\  \\ =\left[ \frac{19}{6} x^3- \frac{5}{6} x^6- \frac{1}{2} x^9\right]^1_0

=\frac{19}{6} - \frac{5}{6} - \frac{1}{2} =\bold{ \frac{11}{6} \ cubic \ units}</span>
8 0
3 years ago
So say selling a backpack thats used-like new and the original price is $54.00 how much should I set the price at??
Nat2105 [25]

it most be eleven hundred

6 0
3 years ago
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