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Dmitriy789 [7]
3 years ago
13

The common cardinal has a diet that is 85% grain. What is the probability that in the random sample 30 common cardinals that the

ir diets are between 81% and 86% grain?
Mathematics
1 answer:
aliina [53]3 years ago
7 0

Answer:

did you add the whole question and i am saying this here because it won't let me comment

Step-by-step explanation:

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On the basis of data collected during an experiment, a biologist found that the growth of a fruit fly population (Drosophila) wi
Ket [755]

Answer:

(a). 15

(b). 78

Step-by-step explanation:

Growth of the population of a fruit fly is modeled by

N(t) = \frac{600}{1+39e^{-0.16t} }

where t = number of days from the beginning of the experiment.

(a). For t = 0 [Initial population]

N(0) = \frac{600}{1+39e^{-0.16\times 0} }

       = \frac{600}{1+39}

       = \frac{600}{40}

       = 15

Initial population of the fruit flies were 15.

(b).Population of the fruit fly colony on 11th day.

N(11) = \frac{600}{1+39e^{-0.16\times 11} }

       = \frac{600}{1+39e^{-1.76} }

       = \frac{600}{1+39\times 0.172 }

       = \frac{600}{1+6.71}

       = \frac{600}{7.71}

       = 77.82

       ≈ 78

On 11th day number of fruit flies colony were 78.

3 0
3 years ago
30 inches to 3 inches​
kondor19780726 [428]

Answer:

I believe its 3

Step-by-step explanation:

5 0
3 years ago
The letter tiles shown below are in a bag. Without looking i am going to draw one tile.
TiliK225 [7]
D. 0.75 is the correct answer 

explanation- 2 out of the 8 tiles are not blue A. so 6 out of 8 tiles would round equal 75% chance of not getting a blue A tile 

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8 0
3 years ago
Read 2 more answers
Type the price per unit in blanks a and b, and choose the best buy. Tomato juice, 48 oz. can for $2.49 would = cents per oz. Tom
Sphinxa [80]
For this case we have two options:
 Option A:
 Tomato juice, 48 oz. can for $ 2.49.
 The unit price is:
 (2.49) / (48) = 0.05 cents per oz.
 Option B:
 Tomato juice, 6-pack of 10 oz. cans for $ 3.99.
 The unit price is:
 (3.99) / (6 * 10) = 0.07 cents per oz.
 Answer:
 
The best buy would be:
 
Tomato juice, 48 oz. can for $ 2.49.
7 0
3 years ago
Read 2 more answers
naomi needs 2 cups of chopped apples for a fruit salad she is making .she only has a 1/4 cup. how many times will naomi need to
Lilit [14]
1/4 × 8 times = 2 cups
ANSWER : 8 times
5 0
3 years ago
Read 2 more answers
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