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anygoal [31]
2 years ago
14

The weights of cans of Ocean brand tuna are supposed to have a net weight of 6 ounces. The manufacturer tells you that the net w

eight is actually a Normal random variable with a mean of 5.95 ounces and a standard deviation of 0.2 ounces. Suppose that you draw a random sample of 42 cans.Part i) Suppose the number of cans drawn is doubled. How will the standard deviation of sample mean weight change? A. It will decrease by a factor of 2?. B. It will increase by a factor of 2?. C. It will decrease by a factor of 2. D. It will increase by a factor of 2. E. It will remain unchanged. Part ii) Suppose the number of cans drawn is doubled. How will the mean of the sample mean weight change? A. It will increase by a factor of 2?. B. It will decrease by a factor of 2?. C. It will increase by a factor of 2. D. It will decrease by a factor of 2. E. It will remain unchanged. Part iii) Consider the statement: 'The distribution of the mean weight of the sampled cans of Ocean brand tuna is Normal.' A. It is an incorrect statement. The distribution of the mean weight of the sample is not Normal. B. It is a correct statement, but it is not a result of the Central Limit Theorem. C. It is a correct statement, and it is a result of the Central Limit Theor
Mathematics
1 answer:
Arada [10]2 years ago
8 0

Answer:4

Step-by-step explanation:i cant rlly explain

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Niki makes the same payment every two months to pay off his $61,600 loan. The loan has an interest rate of 9.84%, compounded eve
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The correct answer for this problem is a. $39695. Hope this helps!
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2 years ago
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​mars, inc. claims that​ 20% of its​ m&m plain candies are orange. a sample of 100 such candies is randomly selected. find t
elena-14-01-66 [18.8K]
The probability p of an orangecandy is 0.2. The sample size = 100.
The mean is given by:
n\times p=100\times0.2=20
The standard deviation is given by:
\sqrt{npq} = \sqrt{100\times0.2\times(1-0.2)} =4
The answers are: Mean = 20. Standard deviation = 4.

4 0
2 years ago
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The store sells a 9 ounce jar of mustard for $1.53 and a 15 ounce for $2.55 explain whether the cost of the mustards have the sa
astraxan [27]

Answer:

same amount of money

Step-by-step explanation:

3 0
2 years ago
Lanie's Room Is In The Shape Of A Parallelogram. The Floor Of Her Room Is Shown And Has An Area Of 108 Square Feet. Lanie Has A
Fittoniya [83]

Answer:

The rug will fit on the floor of her room

Step-by-step explanation:

The floor's area is given as 108

Will the rug fit this area of 108 sq. ft.?? We have to find the area of the rug and if it is less than 108, then definitely it will fit.

The rug is in the shape of a rectangle. The area of a rectangle is length times width.

Given length 10 and width 6, the area is:

Area of Rectangle = 10 * 6 = 60

Area of Rug = 60

Is 60 less than 108?? Yes, definitely!

The rug will fit on the floor of her room

8 0
2 years ago
Tyler reads 2/15 of a book on Monday, 1/3 of it on tuesday, 2/9 of it on Wednesday, and 3/4 of the remainder on thus day. If he
kykrilka [37]

The number of pages in the book is 180

<u>Explanation:</u>

The first thing we should do is to convert these fractions to percentage

Monday = \frac{2}{15} X 100 = 13.33\\\\Tuesday = \frac{1}{3} X 100 = 33.33%\\\\\\Wednesday = \frac{2}{9} X 100 = 22.22%\\\\\\\\

3/4 of the remainder on thursday:

Thursday: (100 - (13.33 + 33.33 + 22.22) * (3/4) = 23.33%

he still has 14 pages left to read on friday

Friday:  [100 - (13.33 + 33.33 + 22.22) ] - 23.33 = 7.77%

Which means that 14 pages represent 7.77% of the book.

Therefore the number of pages of the book is given by:

=\frac{100}{7.77} X 14\\\\= 180

Therefore, number of pages in the book is 180

4 0
2 years ago
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