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Digiron [165]
3 years ago
6

Write the equation for the inverse function of y=0.4x-1.2

Mathematics
1 answer:
loris [4]3 years ago
7 0
I think it is 0.4/0.4 but I'm not sure
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Refer to the accompanying technology display. The probabilities in the display were obtained using the values of n equals n=5 an
zubka84 [21]

Answer:

<u><em></em></u>

  • <u><em>Yes, it is reasonable to expect that more than one subject will experience​ headaches</em></u>

Explanation:

Notice that where it says "assume that 55 subjects are randomly selected ..." there is a typo. The correct statement is "assume that 5 subjects are randomly selected ..."

You are given the table with the probability distribution, assuming, correctly, the binomial distribution with n = 5 and p = 0.732.

  • p = 0.732 is the probability of success (an individual experiences headaches).
  • n = 5 is the number of trials (number of subjects in the sample).

The meaning of the table of the distribution probability is:

The probability that 0 subjects experience headaches is 0.0014; the probability that 1 subject experience headaches is 0.0189, and so on.

To answer whether it <em>is reasonable to expect that more than one subject will experience​ headaches</em>, you must find the probability that:

  • X = 2 or X = 3 or X = 4 or X = 5

That is:

  • P(X = 2) + P(X = 3) + P(X = 4) + P(X = 5).

That is also the complement of P(X = 0) or P(X = 1)

  • 1 - P(X = 0) - P(X = 1)

From the table:

  • P(X = 0) = 0.0014
  • P(X = 1) = 0.0189

Hence:

  • 1 - P(X = 0) - P(X = 1) = 1 - 0.0014 - 0.0189 = 0.9797

That is very close to 1; thus, it is highly likely that more than 1 subject will experience headaches.

In conclusion, <em>yes, it is reasonable to expect that more than one subject will experience​ headaches</em>

6 0
3 years ago
Which property explains why these two expression's are equal?<br> 5(g+h)=5g+5h
user100 [1]

Answer:

c

Step-by-step explanation:associative: a+(b+c)=(a+b)+c

commutative: a+b=b+a

distributive: a(b+c)=ab+ac

inverse: I think it is a times 1/a=1, doesn't matter

4 0
3 years ago
Read 2 more answers
Compare these fractions to 1/2. less than 1/2 equal to 1/2 greater than 1/2.
spin [16.1K]
1. > = < = < >
2. 3/4
3. ? What do you mean by yes/no?
3 0
4 years ago
Read 2 more answers
How to factorize the following expression?<br>pqr + pr + q + 1​
Sveta_85 [38]
<h3>Answer:  (pr + 1)(q + 1)</h3>

===============================================

Work Shown:

Use the factor by grouping method to get the following.

pqr + pr + q + 1​

(pqr + pr) + (q + 1​)

pr(q + 1) + 1(q + 1)

(pr + 1)(q + 1)

We can use the FOIL rule, distribution, or the box method to expand out  (pr+1)(q+1) to get the original expression again. This helps confirm the answer.

5 0
3 years ago
BEST ANSWER GETS BRAINLIEST!!! PLEASE HELP
IrinaVladis [17]


<span>Part A: Describe the two factors in this expression. 
           9 and  7+ 2x
</span><span>Part B: How many terms are in each factor of this expression? 
            2 terms

</span><span>Part C: What is the coefficient of the variable term?  2</span>
8 0
3 years ago
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