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Gnom [1K]
3 years ago
9

3.3.4 practice: modeling: factoring ax2+bx+c

Mathematics
1 answer:
deff fn [24]3 years ago
3 0
I think it should be x(ax +b) + c. Not sure though.
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a pharmacist believes the proportion of prescriptions that are antibiotics is decreasing. the pharmacist would like to test the
Lunna [17]

Since,Z < -1.65 we reject H₀

i.e there is enough evidence for the pharmacist to reject the null hypothesis

What is the null hypothesis?

Conjectures used in statistical tests, which are formal techniques for drawing conclusions or making judgments based on data, include the null hypothesis and the alternative hypothesis. The hypotheses, which are based on a sample of the population, are suppositions regarding a statistical model of the population. The tests are essential components of statistical inference and are frequently used to distinguish between statistical noise and scientific claims when interpreting experimental data in science.

"The null hypothesis is the proposition under investigation in a statistical significance test. The significance test is intended to determine how strong the evidence is against the null hypothesis. The null hypothesis is typically a claim that there is "no effect" or "no difference.H₀ is a common way to represent it.

The alternative hypothesis is the assertion that is being compared against the null hypothesis. Two symbols are H₁ and Hₐ.

Calculation:

Here H₀:  P=0.52

  H₁: P<0.52

Test statistic, Z = -1.89

critical value = -1.65

Decision rule: If zZ< -1.65 we reject H₀ and vice-versa

Since,Z < -1.65 we reject H₀

i.e there is enough evidence for the pharmacist to reject the null hypothesis

Learn more about the null hypothesis here:

brainly.com/question/13776238

#SPJ4

Disclaimer: The question was given incorrectly on the portal. Here is the correct question

Question:

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1 year ago
What type of number is -4\pi−4πminus, 4, pi?
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Answer:

Choice C Rational

Step-by-step explanation:

5 0
3 years ago
TRUE OR FALSE: Two chords in the same circle are congruent if and only if the associated central angles are congruent.
Lostsunrise [7]

Answer:

Step-by-step explanation:

True

7 0
3 years ago
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If a polynomial is divided by a binomial and the remainder is zero, what does that tell you about the relationship between the b
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Step-by-step explanation:

The binomial is a factor of the polynomial.

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3 years ago
Solve the quadratic function by factoring. You must fill in
Stells [14]

Answer:

5x+2=0

Step-by-step explanation:

When factoring you add or subtract your factors that are similar.

For example 9x-4x+ 5x

and this is how you get 5x+2=0

Any Questions?

4 0
3 years ago
Read 2 more answers
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