3. What is the number of interval if the given population size is 60 and the sample size is 15?

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A: Let's find.

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A: Find 4x if x= 8?

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A:

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A: Given: ÷4=6

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A:

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A: The given equation is 15-z=0.

Q: What would be the answer for number 3?

A: (a) Yes.  as 3 is an element of the given set.(b) No. is not possible as 1 is a natural number and…

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A:

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A: Given integral is: I=∫14+x2dx Integrating it: As we know that: ∫dxa2+x2=lnx+x2+a2 So in given…

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A: For the fraction, pq, the numerator is p and the denominator is q. If two fractions with same…

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A:

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A:

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A: Given equation is ex2 = e-5x-4

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A:

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A:

Q: 7² + 4 = 3. 8.

A: We have to find  738 + 4 =  Since ,  738 = {(7 × 8) + 3)}8

Q: When ten is subtracted from the opposite of a number, the differencebetween them is five. What is…

A: Let x be the number.

Q: find a1 when S40=440 and d=6

A:

Q: A student needs a 90 average to receive an A in his math class. On the first 4 tests he scored 75,…

A: we have to find grade..