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azamat
3 years ago
7

PLEASE HELP YOU CAN GET 30 POINTS

Mathematics
1 answer:
patriot [66]3 years ago
7 0
The jelly weighs .3 pounds. the pasta and sauce put together is 2.7 pounds. the bread already weighs 2.4 pounds so 2.7-2.4=.3
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A local company wants to evaluate their quality of service by surveying their customers.
stich3 [128]

Answer: b. 0.98

Step-by-step explanation:

The formula to find the maximum error of the estimated mean :

E=z^*\dfrac{\sigma}{\sqrt{n}}            (1)

, where \sigma = standard deviation

n= Sample size

z* = Critical z-value.

As per given , we have

\sigma=5

n=100

Critical value for 95% confidence interval = z*=1.96

Put these values in the formula (1), we get

E=(1.96)\dfrac{5}{\sqrt{100}}

E=(1.96)\dfrac{5}{10}=0.98

Hence, the maximum error of the estimated mean quality for a 95% level of confidence is 0.98.

Therefore , the correct answer is b. 0.98 .

6 0
2 years ago
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In an exponential function like the one shown below, what does the a term and the b term
Ivenika [448]
The duma a term is the x interest
5 0
3 years ago
Find the sum of -75 and 105​
GuDViN [60]

Answer:

30

Step-by-step explanation:

-75 + 105= 30

(Hope this helps can I pls have brainlist (crown) ☺️)

3 0
2 years ago
Read 2 more answers
The distance between the two points (4,1) and (9,1) is​
Rzqust [24]

Answer:

5 units. Since they have the same y coordinate the x coordinate determines the distance from each other. In the case 9-4=5.

6 0
3 years ago
Check all the statements that are true: A. If a relation is symmetric, it cannot be anti-symmetric. B. The equality relation on
kogti [31]

Answer:

See explaination

Step-by-step explanation:

B. The equality relation on the real numbers is an equivalence relation.

This statement is true

C. If RR is a reflexive relation on a set S, then any two RR- related elements of S must also be R2R2 related.

This statement is true

F. The less than or equal relation on the real numbers fails to be an equivalence relation because it is reflexive and transitive but not symmetric

This statement is true

H. If RR is an equivalence relation, then R2

This statement is true

4 0
2 years ago
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