HELP!! To find the quotient of two fractions, you first need to rewrite the division problem as an equivalent multiplication pro
blem. Find this quotient using multiplication.
1)What is the reciprocal of the divisor?
2)Rewrite the division problem as an equivalent multiplication problem using the reciprocal of the divisor.
3)Multiply to find the quotient of the original problem. Show your work.
4)Simplify the quotient. Show your work.
( I'll give brainliest for the answer that answers 1-4 and actually helps, tysm! )
1)What is the reciprocal of the divisor?
2)Rewrite the division problem as an equivalent multiplication problem using the reciprocal of the divisor.
3)Multiply to find the quotient of the original problem. Show your work.
4)Simplify the quotient. Show your work.
( I'll give brainliest for the answer that answers 1-4 and actually helps, tysm! )
1 answer:
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Answer:
The missing probability is, P (X = 7) = 0.24.
Step-by-step explanation:
The complete question is:
A psychology experiment on memory was conducted which required participants to recall anywhere from 1 to 10 pieces of information. Based on many results, the (partial) probability distribution below was determined for the discrete random variable (X = number of pieces of information remembered (during a fixed time period)).
What is the missing probability P(X=7)? Your answer should include the second decimal place.
X = # information | probability:
1 | 0.0
2 | 0.02
3 | 0.04
4 | 0.07
5 | 0.15
6 | 0.18
7 | ?
8 | 0.14
9 | 0.11
10 | 0.05
Solution:
The sum of the probabilities of all events of an experiment is always 1.
Use the above theorem to compute the missing probability.
Thus, the missing probability is, P (X = 7) = 0.24.
The x-intercept is when y = 0
while
The y-intercept is when x = 0
So, to find the x-intercepts, set y to 0:
3x - 5(0) = 15
3x = 15
Divide both sides by 3:
x = 5
x-intercept is (5, 0)
Now, for the y-intercept:
3(0) - 5y = 15
-5y = 15
Divide both sides by -5:
y = -3
y-intercept is (0, -3)
Therefore, the x-intercept is (5, 0), and the y-intercept is (0, -3).
Now, lets find the slope using these 2 points on the graph and the rate of change formula, which is:
Plug in the intercepts (the order of y's and x's doesn't really matter as long as they're consistent):
=
Therefore, the slope is , or rise 3, run 5.
Now, lets graph:
<em>( hope this helps! :) )</em>
