Geraldine is graphing the inequality x<6. Which statements below describe steps she may take to graph the inequality correctl
y? Check all that apply. Draw an open circle at 6. Draw a closed circle at 6. Shade all numbers less than 6. Shade all numbers greater than 6. Shade all numbers to the right of 6. Shade all numbers to the left of 6.
2 answers:
Answer:
Draw an open circle at 6
Shade all numbers less than 6
Shade all numbers to the left of 6
Step-by-step explanation:
we have
The solution of the inequality is the interval (-∞,6)
All real numbers less than 6
In a number line the solution is the shaded area to the left at number 6 (open circle)
see the attached figure to better understand the problem
therefore
Draw an open circle at 6
Shade all numbers less than 6
Shade all numbers to the left of 6
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Answer:
And we can find the probability with this difference:
And using the normal standard table or excel we got:
And the best answer would be:
0.3811
Step-by-step explanation:
Let X the random variable that represent the ratings of a population, and for this case we know the distribution for X is given by:
Where and
We are interested on this probability
And the best way to solve this problem is using the normal standard distribution and the z score given by:
Using the z score we got:
And we can find the probability with this difference:
And using the normal standard table or excel we got:
And the best answer would be:
0.3811