Answer:
A)Option D
B)P(X = 15) = 0.1325
Step-by-step explanation:
A) From the question, the information given follows binomial distribution because there are two mutually exclusive outcomes for each trial, there is a fixed number of trials. The outcome of one trial does not affect the outcome of another, and the probability of success is the same for each trial.
So option D is correct.
B) From the question, we are told that the poll reported that 66 percent of adults were satisfied with the job. Thus, probability is; p = 0.66
Let X be the number of adults satisfied with the job. Since 25 are selected,
Thus;
P(X = 15) = C(25, 15) * (0.66)^(15) * (1 - 0.66)^(25 - 15)
P(X = 15) = 3268760 × 0.00196407937 × 0.00002064378
P(X = 15) = 0.1325
Answer:
"A number that cannot be expressed as a ratio between two integers and is not an imaginary number. If written in decimal notation, an irrational number would have an infinite number of digits to the right of the decimal point, without repetition." Examples include pi, the square root of 2, and e.
Step-by-step explanation:
20% of 215,000......turn ur percent to a decimal...." of " means multiply
0.20(215,000) = 43,000
Answer:
28 acres
Step-by-step explanation:
If the workers can plant 14 acres in one day then they can double that in two days.
14 × 2 = 28
Have a beautiful day! :)
Answer:
x= 7 units
Step-by-step explanation:
13+18+x=14+18+6
31+x=38
x=38-31=7
