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lorasvet [3.4K]
3 years ago
7

Need help with this.

Mathematics
1 answer:
stepan [7]3 years ago
6 0
Third one down. you can tell just by the first two coordinates
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A random sample of 7 fields of durum wheat has a mean yield of 29.8 bushels per acre and standard deviation of 3.62 bushels per
meriva

Answer:

CI = 29.8 ± 3.53

Critical value is z = 2.58

Step-by-step explanation:

First of all let's find margin of error. It is given by the formula;

ME = zσ/√n

We are given;

Standard deviation; σ = 3.62

Sample size; n = 7

Mean; x¯ = 29.8

Now, z-value for 99% Confidence level is 2.58

Thus;

ME = (2.58 × 3.62)/√7

ME = 3.53

CI is written as;

CI = x¯ ± ME

CI = 29.8 ± 3.53

Critical value is z = 2.58

5 0
3 years ago
I don't understand this??
Sindrei [870]
3,200?? (it may not be right I'm sorry.)
4 0
3 years ago
Select the correct answer.
skad [1K]

Answer:

D

Step-by-step explanation:

7 is it because it is positive

6 0
3 years ago
Plz help me i need to pass I've been trying this lesson all day and I can't figure this out
Tasya [4]

Step-by-step explanation:

step 1: given= 6*0=0

step 2: Use the distributive property

step 3: Substitute

step 4: -

step 5: Subtract 60 from both sides

step 5: simplify

7 0
2 years ago
Read 2 more answers
Please check my work:
11Alexandr11 [23.1K]

Answer:

1) C (5,-11)

2)A and C

3)B

4)A

8 0
3 years ago
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