on monday sheila sold 20 apples, on tuesday she sold 12 apples, on wednesday she sold 20 apples, and on thursday she sold 28 app
2 answers:
Answer:
Days : Monday Tuesday Wednesday Thursday
Probability: 0.25 0.15 0.25 0.35
Step-by-step explanation:
The number of apples sold :
Monday = 20
Tuesday = 12
Wednesday = 20
Thursday = 28
Total number of apples sold in 4 days = 20 + 12 + 20 + 28 = 80
Formula for probability:
Probability of each day
Monday =
Tuesday =
Wednesday =
Thursday =
Therefore the probability distribution table for this situation is
Days : Monday Tuesday Wednesday Thursday
Probability: 0.25 0.15 0.25 0.35
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Answer:
The value of x = -1 makes the denominator of the function equal to zero. That is why this value is not included in the domain of f(x)
Step-by-step explanation:
We have the following expression
Since the division between zero is not defined then the function f(x) can not include the values of x that make the denominator of the function zero.
Now we search that values of x make 0 the denominator factoring the polynomial
We need two numbers that when adding them get as a result -1 and when multiplying those numbers, obtain -2 as a result.
These numbers are -2 and 1
Then the factors are:
We do the same with the numerator
We need two numbers that when adding them get as a result 4 and when multiplying those numbers, obtain 3 as a result.
These numbers are 3 and 1
Then the factors are:
Therefore
Note that only if
So since is not included in the domain the function has a discontinuity in
Answer: Option 'D' is correct.
Step-by-step explanation:
Since we have given that
Upper P (Upper B vertical line Upper A)
means
It means that probability of getting event B given that Event A is occurred.
D. The probability of event B occurring, given that event A has already occurred. is also expressed as
Hence, Option 'D' is correct.