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
Zigmanuir [339]
3 years ago
12

When taking a 12 question multiple choice test, where each question has 3 possible answers, it would be unusual to get _____ or

more questions correct by guessing alone.
Mathematics
1 answer:
Keith_Richards [23]3 years ago
4 0

Answer:

It would be unusual to get 4 or more questions correct by guessing alone.

Step-by-step explanation:

You have a 1 in 3 probability(there are three choices) of guessing the correct answer for a single question. You have 12 opportunities to guess.

So, the probability will be = 12\times\frac{1}{3} = 4

Therefore, it would be unusual to get 4 or more questions correct by guessing alone.

You might be interested in
What's the square root of negative 49
taurus [48]
I = the square root of -1, so it would be 7i
8 0
3 years ago
Read 2 more answers
Which type of triangle has side measures of 6 cm, 7 cm, and 12 cm and one angle with a measure of 120°?
sammy [17]
It is neither isosceles or equilateral because the 3 sides are unequal. It has to be obtuse (one angle greater than 90) and scalene (all three sides different).

D <<<<======
4 0
3 years ago
In the course of a short race, a car does 50,000 J of work in 7 s. What is the power of the car during the race? (round to the n
nirvana33 [79]

Answer:

Work done is the product of distance and force, it is measured in joules.

Power is the rate of work done given by dividing the work done by time

Power (watts)= workdone (J)/ time (s)

                     = 50,000J/7 sec

                     = 7142.857 watts

Therefore, the power of the car during the race was 7142.857 watts

Step-by-step explanation:

4 0
3 years ago
On a map, Sacramento is 8 cm from San Francisco. This represents an actual distance of 91 miles. On the same map, Sacramento is
Marat540 [252]

Answer:

Sacramento is 8cm from San Francisco.

8cm in map = 91 miles

91/8 = 11.375

1cm in map = 11.375 miles

Sacramento is 7 cm away from Modesto.

7 · 11.375 = 79.625

The actual distance is 79.625 miles

4 0
3 years ago
Troy received a gift of 100 shares of stock from his grandmother on July 1 of the current year. Troy's grandmother had owned the
kumpel [21]

Troy has a basis of $39 per share

total value of shares is $3900

Step-by-step explanation:

On July 1, the date of the gift, the stock was selling for $39 per share.

Troy's basis in the stock  = current value of shares

No need to consider the base rate which is in 15 years ago

The current rate of 100 shares =  $39 × 100 =  $3900

Troy has a basis of $39 per share

total value of shares is $3900

4 0
4 years ago
Other questions:
  • Factor completely x3 + 7x2 + 3x + 21.
    11·1 answer
  • What percent of 600 is 750
    12·2 answers
  • Find the inverse of y=(×-9)^2
    14·1 answer
  • Match these items.
    13·2 answers
  • Mean Absolute Deviation Worksheet 1
    10·1 answer
  • The ratios 5 : 3 and 10: 6 ARE equivalent ratios. Which ratio is NOT equivalent to BOTH original ratios?
    6·1 answer
  • Find the mean of the data in the bar chart below.
    10·2 answers
  • Can you please help me with this problem .
    6·1 answer
  • Please helpppp tyy :)
    7·2 answers
  • Is 991,928 divisible by 8?<br><br> HELP ME PLZ!!
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!