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
saw5 [17]
3 years ago
8

The random variable X, representing the number of accidents in a certain intersection in a week, has the following probability d

istribution: On average, how many accidents are there in the intersection in a week
Mathematics
1 answer:
ale4655 [162]3 years ago
5 0

Answer:

Average Mean = 1.8

Step-by-step explanation:

Missing:

X:0 1 2 3 4 5 6

P(x): 0.20 0.30 0.20 0.15 0.10 0.05

Computation:

Average Mean [Probability distribution]

∑[P(x) × X]

= 0 x 0.20 + 1 x 0.30 + 2 x 0.20 + 3 x 0.15 + 4 x 0.10 + 5 x 0.05

= 1.8

Average Mean = 1.8

You might be interested in
15. A bag contains 8 blue chips, 7 green chips, and 2 white chips. If three chips are drawn
lys-0071 [83]
8+7+2= 17 total
First blue chip chance = 8/17
Second blue chip chance = 7/16 as it’s without replacement so the total decreases by 1.
Green chip= 7/15 as again without replacement the total has been reduced by 2
3 0
3 years ago
5t-shirts and a hat costs £83.00,2 t-shirts and a hat costs £38.00.a)how much does a t-shirt cost?
Sergio039 [100]

Answer:

$9 per t-shirt

Step-by-step explanation:

First you subtract the cost of the hats from the TOTAL cost of the the T-shrits and the hat.

$83.00-$38.00= $45

Now that you just have the shirts WITHOUT the hat, which is why we subtracted the $38.00, we have to devide. You devide 45 by the number of shirts.

45/5=9

$9 per T-shirt.

Hope this helps

7 0
3 years ago
Find the simple interest earned by each account. $1,200 principal at 5.5% interest for 25 years
zhuklara [117]

Answer:

The simple interest is $1650

Step-by-step explanation:

Simple Interest = PRT/100

where p = principal, r = rate and t = time

p = $1200, r = 5.5%, and t = 25 years

SI = (1200*5.5*25)/100

SI = 12*5.5*25

SI = $1650

4 0
4 years ago
Read 2 more answers
How do I determine this function??
Nitella [24]

Answer:

Yes

Step-by-step explanation:


4 0
4 years ago
12 male birds for every 9 female birds ratio
Alja [10]

Answer:

4:3

Step-by-step explanation:

You divide both of them by 3

6 0
3 years ago
Read 2 more answers
Other questions:
  • 1252&lt;1233<br> 625384937296363&gt;162719736918747594
    11·1 answer
  • Is it possible to divide 15 by a mixed number an get a quotient greater than 15
    15·2 answers
  • How does stress affects rocks
    6·1 answer
  • Computer table measures 10ft by 17ft. Cost of table is $16 per sq ft. How much will the table cost.
    5·1 answer
  • (I NEED THIS ANSWERED QUICKLY! I WILL GIVE BRAINLIEST TO FIRST CORRECT ANSWER!)
    5·1 answer
  • Whats the answer??? -|- 3 - (-9) |-| 16|
    11·2 answers
  • leon used plant fertilizer on 4/7 of his potted flowers if he has 28 potted floewers on how many did he use plant fertilizer?
    12·2 answers
  • There are 4people in a room, and we are curious whether two of them have theirbirthday in the same month. We record the quadrupl
    9·1 answer
  • 1.628 &gt; 1.63<br><br><br>I don’t understand math I’m sorry-
    15·1 answer
  • Helppp plz I will mark brainliestttt
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!