Answer:
a) 0.4164
Step-by-step explanation:
Mean lifespan (μ) = 18.8 days
Standard deviation (σ) = 2 days
For any given lifespan 'X', the z-score is:

For X=12.04 days:

A z-score of -3.38 falls in the 0.036-th percentile of a normal distribution.
For X=18.38 days:

A z-score of -3.38 falls in the 41.68th percentile of a normal distribution.
The probability that a butterfly lives between 12.04 and 18.38 days is

ANSWER
The maximum y-value is 0.
EXPLANATION
The domain of the given absolute value function is (-∞, ∞) .
This means the function is defined for all real values of x.
The range of the function is (-∞, 0].
This can be rewritten as

This means that, the highest y-value on the gray of this absolute value function is 0.
Hence the maximum y-value of the function is 0.
The answer is A: A uniform probability model is a good model to represent probabilities related to the numbers generated in Pedro's experiment.
and B: It is likely that the spinner is fair.
Answer:
tan 76 = 24/8
Step-by-step explanation:
Since this is a right triangle, we can use trig functions
tan theta = opp /adj
tan 76 = 24/8
Answer:

Step-by-step explanation:
Given

Point (4,-5)
Required
Determine the line equation
From the question, we understand that the line is parallel to 
This implies that they have the same slope, m
A linear equation is:

Where

By comparison:
and 

Next, we determine the line equation using:

Where
and 


Hence,
<em>Option C is correct</em>
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