Positive? So are these fractions negative? But here's my answer, 3/8 + 1/4 = 5/8.
Answer:
And for the other case if we use the z score and the complement rule we have:
And we can find the probability of interest like this:
And replacing we got:
Step-by-step explanation:
Previous concepts
Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".
The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".
Solution to the problem
Let X the random variable that represent the variable of interest of a population, and for this case we know the distribution for X is given by:
We assume that the distribution is
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:
If we find the individual probabilities we got:
And for the other case if we use the z score and the complement rule we have:
And we can find the probability of interest like this:
And replacing we got:
Every time they are divided by 2
Answer:
The two numbers are -9 and 12
Step-by-step explanation:
-9+12=3 12--9=12+9=21
Answer:
Step-by-step explanation:
<h3>Given</h3>
<h3>To find</h3>
- A. m∠MIH
- B. m∠AVM
- C. Obtuse angle at the intersection of AV and HI
<h3>Solution</h3>
A...................................
∠MIH and ∠IHS are same side interior angles and sum up to 180° as per property, therefore
- m∠MIH = 180° - 34° = 146°
B...................................
∠AVM and ∠VAS are same side interior angles
and ∠VAS and ∠LAH are vertical angles, which are equal as per property of vertical angles, so:
- m∠AVM = 180° - m∠VAS = 180° - 110° = 70°
C...................................
Obtuse angle at the intersection of AV and HI, if name the intersection point O:
- ∠AOI = ∠HOV
- ∠AOI = 180° - ∠AOH = 180° - (180° - 34° - 70°) = 104°