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bekas [8.4K]
3 years ago
13

ASAP - WILL MARK BRIANIST Please explain

Mathematics
2 answers:
tigry1 [53]3 years ago
8 0

Answer:

13/8 bachtes

Step-by-step explanation:

good luck this is right my teacher told me

marissa [1.9K]3 years ago
5 0

Answer:

D  26 batches

Step-by-step explanation:

for each cup of cranberries, 4 batches of scones can be made

6 1/2 * 4 = 24 + 2 = 26

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COULD SOMEONE PLS HELP ME WITH MY LATEST 2 QUESTIONS?
OlgaM077 [116]
I can try how do I help you ?
4 0
3 years ago
A bag contains five red marbles, four blue marbles, and four yellow marbles. You randomly pick a marble. What is the probability
Vikentia [17]

n(s)= 5+4+4=13

n(e)= red + blue

=5+4

=9

so, p(e) = n(e)/n(s)

p(e)= 9/13

=0.69

it's your answer

it will help.

7 0
3 years ago
A manufacturer uses production method to produce steel rods. A random sample of 17 steel rods resulted in lengths with a standar
Arisa [49]

Answer:

\chi^2 =\frac{17-1}{12.15} 22.09 =15.87

Traditional method

We can find a critical value in the chi square distribution with df =16 who accumulates \alpha/2 =0.05 of the area on each tail and we got:

\chi^2_{crit}= 7.962

\chi^2_{crit}=26.296

Since the calculated value is between the two critical values we don't have enough evidence to conclude that the true deviation is NOT significantly different from 3.5 cm

Confidence level method

We can find the p value like this

p_v =2*P(\chi^2 >15.87)=0.92

Since the p value is higher then the significance level we have enough evidence to FAIL to reject the null hypothesis and we can conclude that the true deviation is NOT significantly different from 3.5 cm

Step-by-step explanation:

Data provided

n=17 represent the sample selected

\alpha=0.1 represent the significance

s^2 =4.7^2 =22.09 represent the sample variance

\sigma^2_0 =3.5^2 =12.15 represent the value to check

Null and alternative hypothesis

We want to verify if the new production method has lengths with a standard deviation different from 3.5 cm, so the system of hypothesis would be:

Null Hypothesis: \sigma^2 = 12.15

Alternative hypothesis: \sigma^2 \neq 12.15

The statistic for this case is given by:

\chi^2 =\frac{n-1}{\sigma^2_0} s^2

The degrees of freedom are:

df =n-1= 17-1=16

\chi^2 =\frac{17-1}{12.15} 22.09 =15.87

Traditional method

We can find a critical value in the chi square distribution with df =16 who accumulates \alpha/2 =0.05 of the area on each tail and we got:

\chi^2_{crit}= 7.962

\chi^2_{crit}=26.296

Since the calculated value is between the two critical values we don't have enough evidence to conclude that the true deviation is significantly different from 3.5 cm

Confidence level method

We can find the p value like this

p_v =2*P(\chi^2 >15.87)=0.92

Since the p value is higher then the significance level we have enough evidence to FAIL to reject the null hypothesis and we can conclude that the true deviation is significantly different from 3.5 cm

7 0
3 years ago
Can yall help me out
Nastasia [14]

Answer:

Question 1 (1 point)

1. An object has a mass of 25g and a volume of 5ml

a

10

b

8

c

5

d

7

Question 2 (1 point)

2. An object has a mass of 30g and a volume of15ml. What is the density?

a

10

b

2

c

3

d

5

Question 3 (1 point)

3. An object has a mass of 200g and a volume of 100ml. What is the density?

a

2

b

4

c

6

d

8

Question 4 (1 point)

4. An object has a mass of 17g and a volume of 2ml. What is the density?

a

2.4

b

2

c

8

d

8.5

Question 5 (1 point)

5. An object has a mass of 20g and a volume of 5ml. What is the density?

a

2

b

4

c

10

d

2.5

Question 6 (1 point)

6. An object has a mass of 75g and a volume of 75ml. What is the density?

a

6

b

1

c

7

d

8

Question 7 (1 point)

7. An object has a volume of 100ml and a mass of 2oo ml. What is the density?

a

0.5

b

1

c

4

d

2.5

Question 8 (1 point)

8. An object has a volume of 5ml and a mass of 650 g. What is the density?

a

110

b

120

c

130

d

200

Question 9 (1 point)

9. An object has a mass of 15g and a volume of 5ml. What is the density?

a

2.5

b

7

c

3

d

2.56

Question 10 (1 point)

10. An object has a mass of 13g and a volume of 2ml. What is the density?

a

6.5

b

3.7

c

4

d

Step-by-step explanation:

7 0
3 years ago
The Golden family is planning to buy a house that sells for $125,000. They want to put 20% as a down payment. How much would the
Vadim26 [7]

Answer:

100000

Step-by-step explanation:

You multiple 125000 with .20 you get 25000 then you subtract 25000 fro 125000 and you get 100000 and that's your answer.

6 0
3 years ago
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