A multiple choice quiz has 5 questions, each one of the first three questions has four possible responses and each one of the last two questions has 9 possible responses. For someone who makes random guesses, what is the probability of getting (a) at least one correct answer? (Round your answer to 4 decimal places or give as a fraction).

Q: (47) 4+4

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Q: T(t)= (1,1,2t), 0≤t≤ 2. √1+51² Suppose that the tangent vector of r(t) has magnitude ✓1+5t². (a) (b)…

A: c. Hint: It is given that T(t)=11+5t21,t,2t,0≤t≤2 Now, to obtain the principal unit normal vector…

Q: Find L{t?e-4t - e-2tsin (v2t)}

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Q: S₁ y² – 3ydy 11

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Q: z = b +, for a + 9 = . a

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Q: dz 22 z²+4z S

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Q: (4 – a2)

A: To integrate.

Q: A researcher claims that the proportion of smokers in a certain city is less than 22%. A random…

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Q: B = 5 3 -3 -2 1\ 0 1 2 1

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Q: (2 + j)?

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Q: 4. Show/prove whether the following is a subspace. {x € R3:x =| 3 +s 2+t| 1 ,for s,t e R} 2

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Q: Rumors of a Run on a Bank The graph of the function f shows the total deposits with a bank t days…

A: We will evaluate the behavior of the derivative of the function by function increasing or decreasing…

Q: Assembly Time of a Worker In the following graph, N(t) gives the number of smartphones assembled by…

A: Consider the given graph:

Q: (d) Sketch the graphs of solutions. (e) Find the formula for the general solution.

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Q: Determine a best rank-1 approximation, A₁, to the matrix A with respect to the 2-norm. That is, find…

A: The given matrix is A=-211-105. We need to find the rank 1 approximation of the given matrix and…

Q: Consider the following function. g(x) = -x² + 3x + 3 Find the first and second derivatives of the…

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Q: Determine where the function is concave upward and where it is concave downward. (Enter your answers…

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Q: 330/100=3.3. Assuming 100 individuals is clearly arbitrary, and the mean could also Here are 100…

A: Given that Population Mean price =$100000 Standard deviation =$35000 We have to find a…

Q: You are given the graph of a function f. يجا 2 concave downward 3 4 X Determine the intervals where…

A: Concave downward and concave upward can be determined from the following figure.

Q: 5х -44 j 2х+ 7 k

A: We have been given that j || k

Q: S- 3+ Vx

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Q: A = p + prt for r ( banking)

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Q: Perform the indicated operation. (303-j19) (j2-1)

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Q: [2 1 31 1. If A 4 1 1 3, find A-1 L5 4 21 2. Is the formula valid for matrices? explain why? (A + B)…

A: 1)  We have given that , A = 213413542 We need to find , A-1 . To find the inverse matrix, augment…

Q: Hypertension A pilot study of a new antihypertensive agent is performed for the purpose of planning…

A: Given Information: Sample standard deviation is 8. Sample size n=21. Significance level α=0.05 (b)…

Q: Suppose a tourist is visiting a city that has 6 tourist sites. The graph above is a representation…

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Q: Determine where the function is concave upward and where it is concave downward. (Enter your answer…

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Q: Use Kirchhoff's theorem to find the number of spanning trees for the given graph. Show work.

A: In kirchhoffs  theorem i.e the matrix tree theorm, we find the number of spanning tree by…