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otez555 [7]
3 years ago
7

PLEASE HELP!!! I have been stuck on this question for 20 minutes!!

Mathematics
1 answer:
AfilCa [17]3 years ago
5 0

Answer:

?

Step-by-step explanation:

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If A and B are independent events with P(A) = 0.5 and P(B) = 0.5, then P(A ∩ B) a. is 1.00. b. is 0.5. c. is 0.00. d. None of th
erastova [34]

Answer:

The answer is (d) "None of the these alternatives are correct"

Step-by-step explanation:

If two events A and B are independent, the probability of the intersection P(A\cap B) is defined as:

P(A\cap B)=P(A)\cdot P(B)

Therefore, in the exercise:

P(A\cap B)=P(A)\cdot P(B)=0.5\cdot 0.5\\P(A\cap B)=0.25

which give (d) "None of the these alternatives are correct"

3 0
3 years ago
Which of the following are congruent? ΔSTV and ΔTVU ST and TV ∠STV and ∠SVT UV and SV ∠U and ∠S ∠TVU and ∠SVT
Alenkasestr [34]

Answer:

D and E

UV and SV

∠U and ∠S

Step-by-step explanation:

yes

5 0
3 years ago
Read 2 more answers
A restaurant adds a 20% tip to the bills of parties of 6 or more people. Suppose a server waits on five such tables. The bill
castortr0y [4]

Answer:

$218.70

Step-by-step explanation:

You need to first convert the percentage to the decimal.

20% = 0.2

Now, you need to find 20% of each bill by multiplying each bill by 0.2.

0.2(185.45) + 0.2(205.20) + 0.2(195.05) + 0.2(245.80) + 0.2(262.00)

Because of the distributive property, you can add up the bills and multiply the sum by 0.2.

0.2(185.45 + 205.20 + 195.05 + 245.80 + 262.00)

0.2(1093.50)

218.7

The waiter made $218.70 in tips.

4 0
3 years ago
The original rectangle has a perimeter of 16
Serjik [45]

12.4 / 6.2 = 2

SF = 2

The original rectangle has a perimeter of 16

Perimeter of the enlarged rectangle = 16 x 2 = 32

Answer: 32 feet

6 0
3 years ago
Read 2 more answers
4. Anna, Beate and Cindy buy a bag of 30 biscuits together. They get 10 biscuits each. But Anna has paid 80 cents, Beate 50 cent
erma4kov [3.2K]

Answer:

  • Option E. 6.

Step-by-step explanation:

<u>80:50:20 or 8:5:2. 8 ÷ 15 * 30 = 16 = 16 - 10 = 6. This is the solution.</u>

  • Option A. 30 + 10 = 40. Incorrect. The solution is unequal to this.
  • Option B. 30 + 9 = 39. Incorrect. The solution is unequal to this.
  • Option C. 30 + 8 = 38. Incorrect. The solution is unequal to this.
  • Option D. 30 + 7 = 37. Incorrect. The solution is unequal to this.
  • Option E. 30 + 6 = 36. Correct. The solution equals this answer.

<u>Option E will be the answer.</u>

6 0
2 years ago
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