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nika2105 [10]
3 years ago
8

?12.Write an equation and solve it to find the measure of Angle TPQ.

Mathematics
1 answer:
tatuchka [14]3 years ago
8 0
9 times 9 = 81 6 times 6 =36 so 36 plus 18
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suppose that the distribution for total amounts spent by students vacationing for a week in florida is normally distributed with
pentagon [3]

The probability that the SRS of 10 students will spend an average of between 600 and 700 dollars is 0.8132.

Let x be the total amount spent by students.

x follows normal distribution with mean μ = 650,

                                  standard deviation δ = 120

We take a simple random sample of size n = 10

We are asked to find average spending of 10 students ( x ) is between 600 and 700

We have to find P( 600 <= x <= 700)

According to the sampling distribution of the sample mean x, it follows an approximately normal distribution with mean μ{x} = μ and standard deviation  δ{x} = {δ}/{√n}

Therefore here mean of x,( μ{x} ) = 650 and

standard deviation of x, δ{x} = {120}/{√10} = 37.9473

The probability that the SRS of 10 students will spend an average of between 600 and 700 dollars is,

Let Z= x - μ / δ

Z₁ = 600 - 650 / 37.9473 = -1.32 similarly

Z₂ = 700 - 650 / 37.9473 = 1.32

From standard normal distribution table, P( -1.32 <  x  <  1.32) = 0.8132

The probability that the SRS of 10 students will spend an average of between 600 and 700 dollars is 0.8132

To learn more about Normal distribution click here:

brainly.com/question/15103234

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3 0
1 year ago
The temperature Saturday is -13°, and on Sunday it is -4°. Which equation would be used to show the difference in temperature fr
Thepotemich [5.8K]
<span>-4 - (-13) = 9 is the answer</span>
3 0
3 years ago
Read 2 more answers
The linear regression equation for a data set is y = -1.2x + 23.5, where y represents the number of balloons sold and x represen
Illusion [34]
Should be B.
as x represents the week number you simply plug in 8 for X so,
y=-1.2(8)+23.5
y=13.9 that is just 14 then
6 0
3 years ago
Read 2 more answers
You want to buy four coloured markers. The smallest package available has six markers in it and costs $9.00. One package has bee
zhannawk [14.2K]

Package of 5 markers should be $7.50

Unit rate $9.00 ÷ 6 = $1.50

9.00 =

6 5

4 0
4 years ago
Subtract the following.Write your answer in standard notation. 15 - 1.3 * 10^-3
ycow [4]

Answer:

The Final Answer would be 14.9987.

Step-by-step explanation:

Given:

15-1.3\times 10^-3

We need to Subtract the above number.

Since the larger number is standard Notation form and smaller number is in Scientific notation form

So first we will convert the Scientific notation Number in standard Notation form we get;

1.3\times 10^-3 = 0.0013

Now Subtracting the smaller Number from larger number we get;

15-0.0013 = 14.9987

Hence The Final Answer would be 14.9987.

5 0
3 years ago
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