Consider f(x) = bWhich statement(s) are true for 0 < b < 1? Check all that apply.
1 answer:
Answer:
The domain is all real numbers.
The function is always decreasing
Step-by-step explanation:
Assuming the given function is
for
Then f(x) is an exponential decay function.
This means that, the domain will be all real numbers.
The range will be y<0
The y-intercept is (0,-1)
There is no x-intercept.
The graph is a decreasing function.
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Options:
(A) . A football team lost 3 yards on one play. The team gained 7 yards on the next play.
(B ). A football team gained 3 yards on one play. The team lost 7 yards on the next play.
(C). A football team gained 3 yards on one play. The team gained 7 yards on the next play.
Answer:
(B ). A football team gained 3 yards on one play. The team lost 7 yards on the next play.
Step-by-step explanation:
Given
Required
Which situation does it represent?
First, we simplify the expression as follows:
Remove brackets
Express each term with their signs
<u>Analysing each term;</u>
In terms of the list of given options,
+3 means a gain of 3 yards
-7 means a loss of 7 yards
<em>Hence, B. is correct</em>
Answer:
P(X = 0) = 0.1897
P(X = 1) = 0.3910
P(X = 2) = 0.3021
P(X = 3) = 0.1038
P(X = 4) = 0.0134
Step-by-step explanation:
For each owner, there are only two possible outcomes. Either they are insured against an earthquake, or they are not. The probability of a homeowner being insured against an earthquake is independent of other homeowners. So the binomial probability distribution is used to solve this question.
Binomial probability distribution
The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.
In which is the number of different combinations of x objects from a set of n elements, given by the following formula.
And p is the probability of X happening.
Suppose that in one metropolitan area, the chance a homeowner is insured against an earthquake is 0.34.
This means that
A sample of four homeowners are to be selected at random.
This means that
(a) Find the probability mass function of X. (Round your answers to four decimal places.)
The pmf is the probability of each outcome.
So