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The sign would be positive because a negative x a negative is positive
Answer:
5
Step-by-step explanation:
40÷[20-4*(7-4)]
Start with the inner most parentheses
40÷[20-4*(3)]
Then the brackets, multiply first
40÷[20-12]
Then subtract
40÷[8]
We are now left with the division
5
Answer:
a. yes
b = 0.0563
c. 0.1460
d. 0.7560
Step-by-step explanation:
a. Yes. n = 10 identical trials with two possible outcomes on each with p = 0.25.
b. p(x= 0) = 10!/(0!*10!)* .250* .7510= 1 * 1 * 0.0563 = 0.0563.
c. p(x= 4) = 10!/(4!*6!)* .254* .756= 210 * .0039 * 0.1780 = 0.1460
d. p(x= 1) = 10!/(1!*9!)* .251* .759= 10 * .25 * 0.0751 = 0.1877
p(x≥ 2) =1 - p(x< 2) = 1 – (0.0563 + 0.1877) =0 .7560
Reciprocal means multiplicative inverse
