The tine spent by a teacher at woek in the holidays is nonually distributed with a mean of 20 hours and a standard deviation of 5 hours. What amount of time does the bottom 33% of teachers work? 15.8 hours O None of these 17.8 hours O 16.15 hours O

Q: 3/20 + 13/15 combine.

A:

Q: w + 4 w + 10 6. 8.

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Q: 21 2. 6.

A:

Q: 2/18 – 12/32 + 3V50

A: The solution is given below in the next step:

Q: *07)8 Showthat arelation R lita onyis symmel-ric ifER=2-1

A: We need to prove that the relation is symmetric if R=R-1 , for this we will prove that R⊂R-1 and R-1…

Q: avb (avb)+ F

A:

Q: 1-2(3t)/(3t)1/2

A: 1-2(3t)/(3t)1/2  =   = 1-2(3t)(3t)-1/2    = 1-2(3t)1-1/2    = 1-2(3t)1/2…

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A: To simplify  2+ 2- w

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A: Given data is x = 9 and y = 3   find x + x + y = ?

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A: Given that, worm infestation, commonly found in children, can be treated with a drug that is…

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A: Given

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A:

Q: 4root2*4root2

A:

Q: Explain briefly the six steps of hypothesis

A: Solution: 1) Must know about population distribution nature and parameters of interest . 2)Define…

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A: The given expression is 3/8 + 5/24.Simplify the given expression as follows.

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A:

Q: inn (Q4) = D4 OZ2 O Z2 Z4

A: we have to solve given problem:

Q: ㅠ () +1 n=1

A: Given:

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A: Introduction:  A set is nothing but a collection of objects. All the objects must be well-defined. A…

Q: 4 1/2 + 3 2/3=

A: Given,

Q: 1) 6dx 3/3

A: ∫33361+x2dx=6∫33311+x2dx=6tan-1x333=6tan-13-tan-133=6tan-13-tan-113=6π3-π6=2π-π=π

Q: (b) 6 + 7 + 8 + 9 + ... + k

A: (b) Given that 6+7+8+9+...+k The objective is to find the sum. The formula for sum of numbers are,…

Q: Need (v) and (vi).

A:

Q: 2/5 +7/12

A: Please see the answer below.

Q: 1+2+3+......+100

A: Concept Used: Arithmetic Progression : If S=1+2+3+.......+n then first term of the sum is 1 and last…

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Q: 6 1/6 + 6

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Q: Find 37 in 200

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Q: Let A be a subset of R with the usual metric such that A=A. If there exists r>0 such that d(x,y) <r…

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Q: One of the following statements is wron a. (-1,0] = [0, 1) b.[3, 4] = [4, 5] с. [2, 3) D R d. (1,…

A:

Q: п(Зп + 1) 2 + 5 + 8 + ... + (3n – 1) =

A: We have to prove the series  2+5+8+...+(3n-1)=n(3n+1)2