5y + 7 < = -3
5y < = -3 - 7
5y < = -10
y < = -10/5
y < = -2
3y - 2 > = 13
3y > = 13 + 2
3y > = 15
y > = 15/3
y > = 5
Answer:
The probability that a person will get 17 or more right, if the person is truly guessing, is about 12.9%.
The p-value is the probability of obtaining the observed results of a test, assuming that the null hypothesis is correct.
Step-by-step explanation:
The system of hypothesis fo this case are:
Null hypothesis: 
Alternative hypothesis: 
That's a upper right tailed test.
The p-value is the probability of obtaining the observed results of a test, assuming that the null hypothesis is correct.
And this value allows to reject or not the null hypothesis.
If 
we reject the null hypotheis at the significance level. That indicates strong evidence against the null hypothesis, so you reject the null hypothesis.
If 
then we say that we fail to reject the null hypothesis at the significance level. That indicates weak evidence against the null hypothesis, so you fail to reject the null hypothesis.
Answer:
the above photo is what you should do. multiply every term with every other term in each bracket.
Answer:
360 for his expenses. Now if he extends his tour for 4 days then total days of the tour turns out to be x+4 days. Answer is 20 because -24 is not possible as days cannot be negative. So option (d) is the answer.
Step-by-step explanation:
Hope this helps
- a helping friend! :)
Hello there, and thank you for asking your question here on brainly.
<em><u>Short answer: B. 0.71
</u></em>
<em>Why?
</em>
To find probability, you have to divide both the total number of possibilities, (7) and divide that by the greatest number of possibilities. (5). <em>5/7 </em>≈ <em>0.71
Hope this helped you! ♥</em>
