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Question 1  2.5 Points
The division of B.A. rates won by a national school is listed adown, by senior.
Major              Frequency
English            2073
Mathematics   2164
Chemistry       318
Physics            856
Liberal Arts    1358
Business          1676
Engineering    868
                        9313


What is the likelihood that a purposelessly separated rate is not in Business?
A. 0.7800

B. 0.8200

C. 0.8300

D. 0.9200

Question 2
Suppose you buy 1 ticket for $1 out of a lottery of 1000 tickets where the booty for the one alluring ticket is to be $500. What is your foreseeed appraise?
A. $0.00

B. −$0.40

C. −$1.00

D. −$0.50


Question 3
Suppose you pay $1.00 to flatten a serene die delay the knowledge that you procure get end $3.00 for flattening a 5 or a 2, dot inadequately. What is your foreseeed appraise?
A. $1.00

B. $0.00

C. $3.00

D. −$1.00


Question 4
Suppose you keep an very-much unserene invent: the likelihood of a leadership is 1/3 and the likelihood of a retainer is 2/3. If you hurl the invent 72 times, how abundant leaderships do you foresee to see?
A. 12

B. 22

C. 24

D. 26

 

 

Question 5
A bag contains 4 red marbles, 3 cerulean marbles, and 7 piercing marbles. If a marble is purposelessly separated from the bag, what is the likelihood that it is cerulean?
A. 2/11

B. 3/11

C. 5/14

D. 3/14

Question 6
Suppose you keep an very-much unserene die: The likelihood of a 6 is 3/8, and the likelihood of each other sum is 1/8. If you hurl the die 32 times, how abundant twos do you foresee to see?
A. 2

B. 4

C. 3

D. 5


Question 7
If you flip a invent three times, the likely outcomes are HHH, HHT, HTH, HTT, THH, THT, TTH, TTT. What is the likelihood of getting at meanest two retainers?
A. ½

B. 2/3

C. 3/4

D. 4/9


Question 8
Of 1308 community who came into a systematize bank to communicate systematize, 314 community had exalted systematize exigency. Estimate the likelihood that the direct peculiar who comes in to communicate systematize procure keep exalted systematize exigency (to 3 decimal places).
A. 0.250

B. 0.490

C. 0.240

D. 0.160


Question 9
A systematize consists of 50 women and 82 men. If a tyro is purposelessly
selected, what is the likelihood that the tyro is a dame?
A. 32/132

B. 27/66

C. 50/132

D. 82/132

 

 

 

 

Question 10
On a multiple cherished experience, each investigation has 6 likely answers. If you establish a purposehither suppose on the earliest investigation, what is the likelihood that you are redress?
A. 1/5

B. 1/6

C. 1/4

D. 2/5


Question 11
Jody checked the sphere 12 times on Monday, and the terminal digit of the sphere was odd six times further than it was uniform. On Tuesday, she checked it 18 times and the terminal digit was odd view times further than it was uniform. Determine which rotation is closer to the 50/50 relative of odd/uniform foreseeed of such a rotation of sphere checks.
A. The Monday rotation is closer accordingly 1/6 is closer to 1/2 than is 1/8.
B. The Monday rotation is closer accordingly 6/12 is closer to 0.5 than is 8/18.
C. The Tuesday rotation is closer accordingly the 13/18 is closer to 0.5 than is 9/12.
D. The rotation closest to the presumptive 50/50 cannot be stable delayout experienced the sum of odds and uniforms in each rotation.

Question 12
Based on meteorological memorials, the likelihood that it procure snow in a fixed town on January 1st is 0.413. Find the likelihood that in a communicaten year it procure not snow on January 1st in that town.
A. 0.345

B. 0.425

C. 0.587

D. 0.592


Question 13
Suppose you keep an very-much unserene invent: the likelihood of a leadership is 1/5, and the likelihood of a retainer is 4/5. If you hurl the invent 40 times, how abundant leaderships do you foresee to see?
A. 8

B. 6

C. 5

D. 4

 

Question 14
A 28-year-old man pays $125 for a one-year history prophylactic plan delay coverage of $140,000. If the likelihood that he procure subsist through the year is 0.9994, to the unswerving dollar, what is the man’s foreseeed appraise for the prophylactic plan?
A. $139,916

B. −$41

C. $84

D. −$124

Question 15
The grounds set represents the allowance levels of the parts of a dominion club. Estimate the likelihood that a purposelessly separated part earns at meanest $98,000.
112,000 126,000 90,000 133,000 94,000 112,000 98,000 82,000 147,000 182,000 86,000 105,000
140,000 94,000 126,000 119,000 98,000 154,000 78,000 119,000
A. 0.4

B. 0.6

C. 0.66

D. 0.7


Question 16
If you flip a invent three times, the likely outcomes are HHH, HHT, HTH,
HTT, THH, THT, TTH, TTT. What is the likelihood of getting at meanest one leadership?
A. 4/9

B. 5/6

C. 7/8

D. 5/8

Question 17
A die delay 12 sides is flattened. What is the likelihood of flattening a sum hither than 11? Is this the identical as flattening a entirety hither than 11 delay two six-sided dice? Explain.
A. 2/6

B. 3/6

C. 4/6

D. 5/6