Question

Remove all left recursions (immediate and non-immediate) from the productions (15) A -> A 1 B A -> A 2 B A -> B B -> B 3 C B -> 4 B -> C C -> B

Answer #1

3) What is a flaw with this code to remove all the "4" values
from a list?
nums = [1, 3, 5, 4, 7, 8, 4, 4, 9, 1, 12] nums.remove(4)
------------------------------------------------------------------------------
4) What is the flaw with this code to remove all the "4" values
from a list?
nums = [1, 3, 5, 4, 7, 8, 4, 4, 9, 1, 12]
spot = 0
while spot < len(nums):
if nums[spot] == 4:
del nums[spot]
spot = spot + 1

Prove that for all non-zero integers a and b, gcd(a, b) = 1 if
and only if gcd(a, b^2 ) = 1

1.Suppose 15% of the population is left-handed. What is the
probability of finding 2 left-handers in a class of 30
students?
Select one:
a. 0.0076
b. 0.1514
c. 0.1034
d. 0.0404
2.
A large shipment from a garment factory contains 60% shirts, 35%
trousers, and 5% hats. Of 10 items selected at random, what is the
probability that at most 2 are hats?
Select one:
a. 0.9138
b. 0.3897
c. 0.9885
d. 0.0746

Approximately 10% of all people are left-handed. Out of a random
sample of 15 people, what is the probability that 4 of them are
left-handed? Round answer to 4 decimal places.

If one three-digit number (0 cannot be a left digit) is
chosen at random from all those that can be made from the following
set of digits, find the probability that the one chosen is not a
multiple of 2. {0, 1, 2, 3, 4, 5, 6, 7}

AS in the Immediate Short Run (Range 1 of
AS):
Scenario:
There is an increase in U.S. government spending
Question 1)
a) AD increases
b) AD decreases
c) AS increases
d) AS decreases
Question 2)
a) GDP growth rises
b) GDP growth falls
c) GDP growth remains unchanged
Question 3)
a) unemployment rises
b) unemployment falls
c) unemployment remains unchanged
Question 4)
a) inflation increases
b) inflation decreases...

Activity
Immediate
Predecessor
Optimistic Time
Most-likely time
Pessimistic Time
A
None
3
6
9
B
A
3
5
7
C
A
4
7
12
D
B
4
8
10
E
C
5
10
16
F
D, E
3
4
5
G
D, E
3
6
8
H
F
5
6
10
I
G
5
8
11
J
H, I
3
3
3
(a). What is the expected time for each activity? (2 points)
(b.) What is the variance for each...

Please answer and explain
6. It takes 7.21x10-19J of energy to remove an electron from an
atom of iron. Which of the following would be able to do it? A. A
photon with wavelength 276 nm B. A photon with frequency 1.1x1015
Hz C. Ten photons of frequency 1.1x1014 Hz each D. A and B E. All
of the above
7. A particle has a velocity that is 90. % of the speed of
light. If it is a wave...

Aggregate supply in the immediate short run (range 1 of AS)
Scenario: There is a decrease in the wealth of our largest
trading partner, Canada
question 1) a. AD increases b. AD decreases c. AS increases d.
AS decreases
question 2) a. GDP growth rises b. GDP growth fall c. GDP growth
remains unchanged
question 3) a. unemployment rises b. unemployment falls c.
unemployment remains unchanged
question 4) a. inflation increases b. inflation decreases c.
inflation remains unchanges

1. ________ fiscal and monetary policy will make AD
shift to the left
A. contractionary
B. expansioanry
C. expansioanry and contractionary
D. None of the other alternatives are correct
2. If banks keep excess reserve that will _____ the
money multiplier
A. reduce
B. expand
C. higher
D. None of the other alternatives are correct
3. Demand lead recessions shift AD ____ and the economy
shifts to a ______ run equilibrium
A. left, short
B. right, long
C. left, full...

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