Answer:
Step-by-step explanation:
<u>Use of formula:</u>
- P(A and B) = P(A)*P(B|A) and
- P(A and B) = P(B)*P(A|B)
<u>According to above and based on given:</u>
- P(A)P(B|A) = P(B)P(A|B)
- P(B|A) = P(A|B)*P(B)/P(A)
- P(B|A) = 0.20*0.40/0.25 = 0.32
Answer:
Mean = 70,000 dollars
SD = 800 dollars
For Khan Academy
Step-by-step explanation:
Answer:
the answer is 1¢26 if not try h5
Answer:
<h3>Toni can type words in 3 minutes is 270 words</h3>
Step-by-step explanation:
Given that the double number line shows that Toni can type 180 words in 2 minutes.
<h3>To find how many words can Toni type in 3 minutes:</h3>
From the given Toni can type 180 words in 2 minutes,
⇒ Toni can type 

<h3>∴ 90 words per minute </h3>
For Toni would be able to type words in 3 minutes is


<h3>∴ 270 words per minute.</h3><h3>∴ Toni can type words in 3 minutes is 270 words.</h3>