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Dmitriy789 [7]
3 years ago
12

A botanist has developed a new hybrid cotton plant that can withstand insects better than other cotton plants. However, there is

some concern about the germination of seeds from the new plant. To estimate the probability that a seed from the new plant will germinate, a random sample of 3000 seeds was planted in warm, moist soil. Of these seeds, 2200 germinated. (a) Use relative frequencies to estimate the probability that a seed will germinate. What is your estimate? (Enter your answer to 3 decimal places.)
Mathematics
1 answer:
True [87]3 years ago
6 0

Answer:

n = 3000 seeds planted in the farm

From these 3000 we know that only 2200 germinated

In order to determine the probability that a seed will germinate we can use the definition of probability given by:

p =\frac{Possible}{Total}

From this definition we need to divide the possible cases by the total cases and for this case if we replace we got:

p =\frac{2200}{3000}= 0.733

So then the probability that the seed will germinate is 0.733 from the sample data obtained

Step-by-step explanation:

For this case we know that the sample size is:

n = 3000 seeds planted in the farm

From these 3000 we know that only 2200 germinated

In order to determine the probability that a seed will germinate we can use the definition of probability given by:

p =\frac{Possible}{Total}

From this definition we need to divide the possible cases by the total cases and for this case if we replace we got:

p =\frac{2200}{3000}= 0.733

So then the probability that the seed will germinate is 0.733 from the sample data obtained

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25 points pluss brainliest!!! math.
BARSIC [14]

Answer:  9.97

==============================================

Explanation:

y = distance from the base of the pole to the closest person

y+200 = total horizontal distance

-------------

Focus on the smaller right triangle.

tan(angle) = opposite/adjacent

tan(26) = 55/y

y*tan(26) = 55

y = 55/tan(26)

y = 112.76671 approximately

Make sure your calculator is in degree mode.

--------------

Now move to the larger right triangle

tan(angle) = opposite/adjacent

tan(x) = 55/(y+200)

tan(x) = 55/(112.76671+200)

tan(x) = 55/312.76671

tan(x) = 0.17585

x = arctan(0.17585) same as \tan^{-1}

x = 9.97349

x = 9.97 degrees approximately

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