10/31/20
binomial distribution
I have a bag with 100 balls, 30 green balls and 70 red ones. If I take a ball out of the bag 20 times (with replacement), what is the probability of getting 18 green balls given by binomial...
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10/31/20
Solve the linear programming problem by the method of corners.
Maximize: P=6x+8ySubject to: x+3y>609x+5y<320x>10y>0
10/31/20
It’s about statistics
ssume that when adults with smartphones are randomly selected, 62% use them in meetings or classes. If 15 adult smartphone users are randomly selected, find the probability that exactly 10 of...
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10/31/20
Solve the differential equation. Use C for the constant of integration.
Solve the differential equation. Use C for the constant of integration.dy/dx = -xy/(x+4)
10/30/20
Let f be the function of x. Which of the following statements, if true, would guarantee that there is a number c in the interval [-2,3] such that f(c) = 10
1) f is increasing on the interval [-2,3], where f(-2)=0 and f(3)=202) f is increasing on the interval [-2,3], where f(-2)=15 and f(3)=303) f is continuous on the interval [-2,3], where f(-2)=0...
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10/30/20
What is the probability of getting seven duplicates between two bingo cards?
Assume two standard 5x5 bingo cards. On both, there are 25 total squares, and the middle square is a bonus square, and will not have a number in it. All 24 other squares will have a number on it as...
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10/30/20
Find the critical points of 𝑓 and determine whether they are local minima, local maxima, or neither.
The figure shows the graph of the derivative of a function Find the critical points of and determine whether they are local minima, local maxima, or neither.https://ibb.co/q0ZFXJm
10/30/20
A machine shop produces 20 inch titanium rods used in a variety of applications.
A machine shop produces 20 inch titanium rods used in a variety of applications. On occasion a malfunction occurs and places a single gouge somewhere on the rod. However, if the rod can be cut so...
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10/30/20
I need help with writing distribution of x̅, finding average of 1st quartile, and finding IQR
The length of songs in a collector's iTunes album collection is uniformly distributed from two to 3.7 minutes. Suppose we randomly pick five albums from the collection. There are a total...
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10/30/20
Derivatives of Inverses #6
State the domain and range of each of the following functions:(a) hasDomain: Range: (b) hasDomain: Range: (c) hasDomain: Range:
10/30/20
simplify and show all work
simplify (√2/2)•(cosx+sinx) square root is only in numerator* show all work
10/29/20
Probability Question
Five cards are picked at random from a standard deck of 52 cards. For each of the following events, determine the number of sample points in the event. Leave your answer in symbolic form of...
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10/29/20
Stat question check please!
Suppose the probability that a person with an average credit rating will pay a bill on time is 0.82. If 10 bills are sent out to a random sample of people with an average credit rating, what is the...
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10/29/20
A box with an open top has vertical sides, a square bottom, and a volume of 4 cubic meters. If the box has the least possible surface area, find its dimensions.
A box with an open top has vertical sides, a square bottom, and a volume of 4 cubic meters. If the box has the least possible surface area, find its dimensions.Height = (include units)Length of...
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10/29/20
What is the correct answer to the blanks to show that P(k+1) is true?
Fill in the blanks in the following proof, which shows that the sequence defined by the recurrence relation
fk
=
fk − 1 + 2k for each integer k ≥ 2
f1
=
1
satisfies the following...
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10/29/20
What is the correct answer to the blank to show that P(1) is true?
Fill in the blanks in the following proof, which shows that the sequence defined by the recurrence relation
fk
=
fk − 1 + 2k for each integer k ≥ 2
f1
=
1
satisfies the following...
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10/29/20
Identify Trig Ratios
In ΔCDE, the measure of ∠E=90°, DC = 37, ED = 35, and CE = 12. What is the value of the sine of ∠D to the nearest hundredth?
Analyze polynomial function... f(x)=(x+7)(x-5)^2
f(x)=(x+7)(x-5)^2A) the graph of F behaves like y = ___ for large values of |x|B) determine maximum number of turning points on the graph of the function
10/28/20
If tan θ = 12/5 and cot ϕ = 11/10, find the exact value of sin( θ + ϕ ).
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10/28/20
Use function to predict volume of prism
I’m trying to figure out how much the length of the base will be at 8 inches for this problem, the chart is split in two and at the top of the left it is labeled “length of base,x(inches)” and has...
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10/28/20
What is the z-score of x = 6, if it is 1.9 standard deviations to the left of the mean?
I'm not sure how to solve this problem. If someone could walk me through it that would be helpful and appreciated, thank you
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