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drek231 [11]
4 years ago
9

To test H 0​: p=0.40 that a population proportion equals 0.40​, the test statistic is a​ z-score that measures the number of sta

ndard errors between the sample proportion and the H0 value of 0.40. If z=3.8​, do the data support the null​ hypothesis, or do they give strong evidence against​ it?
(A) The data give strong evidence against the null hypothesis because the sample proportion falls over three standard errors from the null hypothesis value.
(B) The data support the null hypothesis because the sample proportion falls over three standard errors from the null hypothesis value.
(C) The data give strong evidence against the null hypothesis because the sample proportion falls within four standard errors from the null hypothesis value.
(D) The data support the null hypothesis because the sample proportion falls within four standard errors from the null hypothesis value.
Mathematics
1 answer:
S_A_V [24]4 years ago
4 0

Answer:

Step-by-step explanation:

no

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7 0
3 years ago
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If the following is a polynomial function, then state its degree and leading coefficient. If it is not, then state this fact.
brilliants [131]

Degree: 5; leading coefficient: 10

Option D is correct.

Step-by-step explanation:

We need to identify if f(x) = 10x^5 + 7x^4+5 is a polynomial function, then state its degree and leading coefficient or not.

  • Polynomial

A polynomial is an algebraic expression containing two or more terms that have same variables but may have different exponents combined through mathematical symbol(+,-,*or/)

So, f(x) = 10x^5 + 7x^4+5 is a polynomial function

  • Degree of polynomial

The degree of polynomial is the highest degree obtained by sum of all exponents of individual terms in the polynomial.

So, f(x) = 10x^5 + 7x^4+5 has highest degree 5

Degree = 5

  • Leading Coefficient

The leading coefficient is the coefficient of first term of the polynomial.

So, f(x) = 10x^5 + 7x^4+5 has  leading coefficient = 10

So, Leading coefficient = 10

So, Degree: 5; leading coefficient: 10

Option D is correct.

Keywords: Polynomials

Learn more about Polynomials at:

  • brainly.com/question/10771256
  • brainly.com/question/1414350
  • brainly.com/question/2568692

#learnwithBrainly

3 0
3 years ago
How far can a cyclist travel in 1.5 hours if his average speed is 12 km/hr?
Lesechka [4]

Answer:

A cyclist can travel 18 kilometres in 1.5 hours.

Step-by-step explanation:

The ratio for the cyclist's speed is 12 km/1 hr. If I were to find the ratio for kilometres per 1.5 hour, I would need to multiply the denominator of 1 (aka 1 hour) by 1.5 to get (1.5 hours). Whatever you do to the bottom, you have to do to the top. So I multiply the numerator of 12 (12 km) by 1.5 to get 18 km.

12 km/1 hr → 18 km/1.5 hrs

5 0
3 years ago
1. The length of a ribbon is 5/6 meter. Shayla needs pieces measuring 1/5 meter for an art project. What is the Greatest number
Strike441 [17]

Answers:

Part 1: 5

Part 2: 4/6 m

Part 3: 5 \frac{1}{6}

Part 4: 5

Part 5: 4/6 m

Step By Step Explanation:

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3 0
3 years ago
Anyone know? this answer
AnnyKZ [126]

Answer:

4ft

Step-by-step explanation:

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24/6=w

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7 0
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