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andrew11 [14]
2 years ago
13

Someone help please I'm really stuck on these questions and I need help please I need to bring this in tomorrow please help

Mathematics
1 answer:
AysviL [449]2 years ago
7 0
1) 1
2) PA: between 2 and 3.
2) PB: Unsure about it.
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Write 2/4 in lowest terms
ycow [4]

Answer:

1/2

Step-by-step explanation:

Divide it by 2 on both sides. 2/2 is 1. 4/2 is 2. So 1/2

7 0
2 years ago
The final scores of students in a graduate course are distributed normally with a mean of 72 and a standard deviation of 5. What
Tcecarenko [31]

Answer:

0.8041

Step-by-step explanation:

We know that  

μ=72  and  σ=5

and P(65<X<78)

We can determine the Z value as (X-μ)/σ

P( 65<X<78 )=P( 65-72< X-μ<78-72)

P((65-72)/5

P(65

To fine the Z values:

P (-1.4

From the standard normal tables:

P (Z

to find P ( Z<-1.4)

P ( Z

From the standard normal tables:

P ( Z

Therefore

P(-1.4

P (65

8 0
3 years ago
Two fractions with a difference of 1/3 but with neither denominator equal to 3
Rudiy27

Answer:

3/9 and 6/9

Step-by-step explanation:

3/9 is simplified to 1/3

6/9 is simplified to 2/3

3 0
2 years ago
Read 2 more answers
How did u get 4/3. Because I’m confused
Svet_ta [14]
What’s the original question and I can help!
5 0
3 years ago
pleassssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeehelp
kifflom [539]
U kno how to simplify
3 0
3 years ago
Read 2 more answers
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