Anasia is a basketball player who regularly shoots sets of 2 free-throws. Suppose that each shot has probability
0.7 of being made, and the results of the shots are independent.
The table below displays the probability distribution of X, the number of shots that Anasia makes in a set of 2
attempts.
2
X=of makes 0 1
P(X)
0.09 0.42
0.49
Given that r = 1.4 makes, find the standard deviation of the number of shots that Anasia makes.
Round your answer to two decimal places
shots
Answers
Answer:
0.65
Step-by-step explanation:
The required standard deviation is 0.65
Given data is,
Computation:
[tex]\varepsilon_x\times P(X=x)=0\times 0.09+1\times0.42+2\times0.49\\=0.42+0.98\\=1.4[/tex]
Now,
[tex]E(X^2)=0^2\times 0.009+1^2\times 0.42+2^2\times 0.49\\=0.42+1.96\\=2.38\\\sigma ^2=E(X^2)-(E(X))^2\\=2.38-(1.4)^2\\=0.42\\\sigma =\sqrt{0.42}\\=0.65[/tex]
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What is the Y-intercept of the graph of the linear function? What is the slope?
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Answer:
The Y intercept is -5 and the slope is -5/2
Determine which of the lines, if any, are parallel or perpendicular. Explain.
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In ΔIJK, ∠K ≅∠J, IJ = 9 and JK = 10. Find the length of KI.
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Answer:
KI = 9
Step-by-step explanation:
In ΔIJK,
∠K ≅∠J (given)
Therefore,
IJ ≅ KI (sides opposite to equal angles are equal)
Since,
IJ = 9
So,
KI = 9
Please help me I’m so desperate I need help please help me with questions 3,4 and 5 please
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Answer:
The answer to number 3 is -2.
The answer to number 4 is 30,340 feet.
The answer to number 5 is 7 and -3.
Step-by-step explanation:
So much work, take it and go, lol.
Hope this helped! :)
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Step-by-step explanation:
is this table a function? why or why not?
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Answer:
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Step-by-step explanation:
Answer:
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Step-by-step explanation:
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Select the correct answer.
Which equation represents the vertical line passing through (1,-9)?
A.
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B.
x = 1
C.
y = -9
D.
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Answer:
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Step-by-step explanation:
Step-by step explanation
what is the table of 75
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Step-by-step explanation:
75×1=75
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The test scores for 15 students are 72, 74, 74, 79, 82, 82, 82, 82, 86, 86, 86, 87, 87, 89, and 92. Find the mean of the data. Round your answer to two decimal places.
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Answer:
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Step-by-step explanation:
1240 divided by 15 = 82.66667
Plz if u would mark me as brainlest!
a sphere has a radius r=12 inches. What is it’s approximate volume
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Step-by-step explanation:
What is the value of x^2 - 3y + 5x + 2 whenx = 7 and y = 4?
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Answer:
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Step-by-step explanation:
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Answers
Answer:
they have to work 2 hours
Step-by-step explanation:
Jess has a $5+ x*$10
Sam has x*$12.5
where x-is number of hour worked
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Jess has a $5+ 2*$10=$25
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Answers
Answer:
1 1/10
Step-by-step explanation:
2 1/5= 2 2/10
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BTW you can use google!
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Step-by-step explanation:
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Step-by-step explanation:
600-700 is the correct answer
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What’s the slope and y intercept of (3,4) and (0,-3)
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Answer:
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Step-by-step explanation:
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Answers
Answer:
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Step-by-step explanation:
Given that:
Building A
Height = 400feets
Angle of elevation = 70°
Building B:
Height = 300 feets
Angle of elevation = 52°
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Distance from the foot of building B to where Jonny is standing = y (see attached picture)
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Answers
Answer:
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Step-by-step explanation:
Gross income is money earned before taxes are taken from a paycheck
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Answers
Answer:
$42Step-by-step explanation:
By definition, Markup is the difference between a product's selling price and cost as a percentage of the cost.
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=40/100*30
=0.4*30
=$12
therefore the sale price will be the markup rate plus the initial price
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Answers
Answer:
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Step-by-step explanation:
dont get mad when its wrong
0.458 seconds
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the order of the surd 6 √2187 after simplification is
Answers
Answer:
[tex]n = 162[/tex]
Step-by-step explanation:
Given
[tex]6\sqrt{2187[/tex]
Required
Determine the order of the surd
If a surd is represented as [tex]n\sqrt{r[/tex], then the order of the surd is [tex]n[/tex]
[tex]6\sqrt{2187[/tex]
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Split the surd
[tex]6\sqrt{2187} = 6\sqrt{3^6} * \sqrt{3}[/tex]
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[tex]n = 162[/tex]
[tex]r = 3[/tex]
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Answers
Answer:
Yes
Step-by-step explanation:
Based on the information provided we can say that Yes, this is enough evidence to support her claim. Since the 50 students were randomly selected and the physical education criteria applies to all of the students in that grade range then these 50 students perfectly represent the total population. That being the case, the results gathered to show that with a standard deviation of 55 minutes some students are surpassing the requirement by very little but others are falling very far from that requirement. When it is a requirement for all of the students in that grade range. Therefore, it is enough to support her claim.
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Answers
Answer:
30
Step-by-step explanation:
distribute the 5 to z and 4 --> 5z + 20
same with 5 to the 2 and -z --> 10-5z
5z + 20 + 10 - 5z = ? combind like terms
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Answer:
20z-10z
Step-by-step explanation:
Distribute the 5 to both z and 4 which would make it 20z
Distribute the 5 to the 2 and -z which gives you 10z
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ОА. .
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10
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Answers
Answer: -30
Step-by-step explanation:
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Answer:
points -3,0,4 on a graph
Step-by-step explanation:
correct on edmentum or plato
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Answer:
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Step-by-step explanation:
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1 out of 3
Step-by-step explanation:
There are 5 cards. 3 of which are odd. if you lift 3 out of the five there is a 3 out of 5 chance itll be odd. while if it is only 3 cards. it would have to be a 1 out of 3 chance because there will always be an odd number involved.