Final answer:
Using the binomial probability formula, the probability that exactly 1 out of 6 seeds doesn't grow is approximately 0.119 or 11.9%.
This question revolves around the concept of binomial probability. The binomial distribution model is an appropriate statistical model here since there are a fixed number of trials (6 seed plantings), each trial (seed planting) is independent, and each trial results in one of two outcomes: success (plant grows) or failure (plant doesn’t grow).
The binomial probability formula is P(X=k) = C(n, k)*(p^k)*(q^(n-k)), where 'n' is the number of trials (6 in this case), 'k' is the number of 'successes' we're interested in (5 in this case, since we want only 1 seed - out of 6 - not to grow), 'p' is the probability of success, and 'q' is the probability of failure.
Here, to calculate the probability, p (probability of successful growth) is 0.75 and q (probability of not growing) is 0.25 (= 1 - 0.75).
So, P(5 plants grow and 1 doesn’t) = C(6, 5) * (0.75^5) * (0.25^1) = 0.119.
So, the probability that exactly 1 out of 6 seeds does not grow is approximately 0.119 or 11.9%. This scenario is also known as binomial distribution scenario.
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Answer:
9.72405%
Step-by-step explanation:
Binomial Probability
(N choose k) p^k (1-p)^(n-k)
N=7 seeds planted
p= 100% - 70% = 30% = 0.3 <--- we are interested in the plant NOT growing
(1-p) = 70% = 0.7 <--- 70% chance the plant will survive and grow
k=4 <--- we want four of them to fail
The probability is:
(7 choose 4) * (0.3)^4 (0.7)^3 =
7!/(4!3!) (0.3)^4 (0.7)^3 =
(7*6*5/3*2) (0.3)^4 (0.7)^3 =
7*5 (0.3)^4 (0.7)^3 =
35 * 0.0081 * 0.343 = 0.0972405 = 9.72405%
Answer:
Step-by-step explanation:
11)
Subtract 4 from both sides. Square each side. Subtract 33 from both sides. Divide each side by 8. Your answer is -3.
12)
Square both sides. Put all numbers on one side of the equation so that you can be equal to zero. Factor out and solve for x.
Answer:
Step-by-step explanation:
To make the line parallel, it has to have the same slope as the other. Because it is in slope-intercept form, we can see that the slope of the line is 5.
Now we have all of the numbers we need for point-slope form. The point-slope form looks like this:
So when we input our values for the variables, the equation is:
Slope-intercept form:
y = mx + b
"m" is the slope, "b" is the y-intercept (relevant later)
Point-slope form:
y - y₁ = m(x - x₁) "m" is the slope
For lines to be parallel, their slopes have to be the SAME
The given line's slope is 5, so the parallel line's slope is also 5.
So you know:
m = 5
(x₁ , y₁) = (1 , 6)
Now you can plug this in:
y - y₁ = m(x - x₁)
y - 6 = 5(x - 1)
B. y=-3x
C. y=3x+5
D. y=1/3x
Chose only one!!!!!!