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jarptica [38.1K]
3 years ago
8

Karina owns a bakery where she orders both green apples and red apples to use in her baked goods. The supplier of the green appl

es says that 8% of their green apples are bruised. The supplier of the red apples says that 6% of their red apples are bruised.
Each week, Karina orders 120 of each type of apple, and she looks at the difference (Green−Red) between the proportions of apples with bruises in each order.

What will be the shape of the sampling distribution of the difference in sample proportions, and why?

A. Approximately normal, because we expect 10 bruised and 110not-bruised in both orders, and all of these counts are at least 10.
B. Approximately normal, because we expect 16 bruised and 104 not-bruised green apples, and 12 and 108 for the red apples, and all of these counts are at least 10
C. Not normal, because we expect fewer than 10 bruised apples in both orders.
D. Not normal, because we expect fewer than 10 not-bruised apples in both orders.
Mathematics
2 answers:
AleksandrR [38]3 years ago
8 0

Not normal, because we expect fewer than 10 bruised apples in both orders.

Step-by-step explanation:

icang [17]3 years ago
4 0

Answer: C

Not normal, because we expect fewer than 10 bruised apples in both orders.

Step-by-step explanation: Khan Answer

.08 * 120 = 9.6

.06 * 120 = 7.2

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According to the Rational Root Theorem, what are all the potential rational roots of f(x) = 15x11 – 6x8 + x3 – 4x + 3?
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we have

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we know that

<u>The Rational Root Theorem</u> states that when a root 'x' is written as a fraction in lowest terms

x=\frac{p}{q}

p is an integer factor of the constant term, and q is an integer factor of the coefficient of the first monomial.

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in this problem

the constant term is equal to 3

and the first monomial is equal to 15x^{11} -----> coefficient is 15

So

possible values of p are 1, and\ 3

possible values of q are 1, 3, 5, and\ 15

therefore

<u>the answer is</u>

The all potential rational roots of f(x) are

(+/-)\frac{1}{15},(+/-)\frac{1}{5},(+/-)\frac{1}{3},(+/-)\frac{3}{5},(+/-)1,(+/-)3


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