1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Tems11 [23]
3 years ago
8

Estimated probability of guessing correctly on more than 3 out of 5 true-false questions

Mathematics
1 answer:
Alik [6]3 years ago
7 0
The probability of guessing 4 right is
.. (5C4)*(1/2)^5 = 5/32
The probability of guessing 5 right is
.. (5C5)*(1/2)^5 = 1/32

So, the probability of guessing 4 or 5 right is
.. (5+1)/32 = 6/32 = 0.1875
You might be interested in
What is a formula for the nth term of the given sequence? 15, 24, 33
KatRina [158]

Answer:

The nth terms: 15,24,33,42,51,60,69,78,87,96,105...

Step-by-step explanation:

The nth term of an arithmetic sequence is given by an = a + (n – 1)d. So, to find the nth term, substitute the given values a = 2 and d = 3 into the formula

5 0
3 years ago
In triangles ABC and LMN, ∠A ≅ ∠L, ∠B ≅ ∠M, and ∠C ≅ ∠N. Is this information sufficient to prove triangles ABC and LMN congruent
ipn [44]

Answer:

No

Step-by-step explanation:

No. We have 3 angles of triangle ABC congruent to 3 corresponding angles of triangle LMN. That is AAA. To use ASA, you need two angles and an included side. With three angles, you can prove the triangles similar, but not congruent.

5 0
2 years ago
What solution is this w = 10
alina1380 [7]

Answer:

w = 10

Step-by-step explanation:

9(w - 9) -2 = -7 + 7(w -8)

Expand:

9w - 81 - 2 = -7 + 7w - 56

Rearrange:

9w - 7w = -7 - 56 + 81 + 2

2w = 20

w = 10  

3 0
4 years ago
Find the volume of the composite solid. Round to the nearest tenths. Radius:2 height:4
yKpoI14uk [10]

Answer:

60

Step-by-step explanation:

6 0
4 years ago
Mr. Hull had 2,466 apples. If he gave half to his brother, how many apples would he have left?
attashe74 [19]

Answer:

1233

Step-by-step explanation:

Divide the total number by 2 because it's half

6 0
4 years ago
Other questions:
  • Mr. Marsh tells his class that he is thinking of two numbers and wants his students to guess the numbers. He gives them the foll
    5·1 answer
  • How do you solve this problem?
    5·2 answers
  • The blueprint for a new swimming pool uses the scale 3/4
    5·1 answer
  • BRAINLIEST, 5 STARS AND THANKS IF ANSWERED CORRECTLY.
    13·2 answers
  • a hospital bill is estimated to be $480. It ends up actually costing the patient $524.50. What is the percent of error in the bi
    7·1 answer
  • A penguin walks 10 feet in 6 seconds. How far does the penguin walk in 45 seconds
    14·1 answer
  • 5 On the first day of school, you notice a few patches of fungus on the leaves of the pumpkin
    11·1 answer
  • Which of the following could be the graph of y = –xn where n is odd?
    10·1 answer
  • A line contains the points (30, 1) and (39, 4). Find the slope of the line?
    7·2 answers
  • I BEG YOU I WILL GIVE BRAINIEST PLSSS
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!