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
Xelga [282]
3 years ago
7

Police records in the town of Saratoga show that 17 percent of the drivers stopped for speeding have invalid licenses. If 24 dri

vers are stopped for speeding. (a) Find the probability that none will have an invalid license. (Round your answer to 4 decimal places.) Probability (b) Find the probability that exactly one will have an invalid license. (Round your answer to 4 decimal places.) Probability (c) Find the probability that at least 2 will have invalid licenses. (Round your answer to 4 decimal places.) Probability
Mathematics
1 answer:
Ymorist [56]3 years ago
3 0

Answer:

Step-by-step explanation:

Given

17 % of the drivers stopped have invalid licenses

n=24 drivers are stopped

using Binomial distribution

^nC_r(p)^r(q)^{n-r}

here p=0.17

q=1-0.17=0.83

(a)none will have valid license i.e. r=0

P(r=0)^{24}C_0(0.17)^0(0.83)^{24}=(0.83)^{24}=0.0114

(b)Exactly one have invalid license i.e. r=1

P(r=1)=^{24}C_1(0.17)^1(0.83)^{23}=24\times 0.17\times (0.83)^{23}

=0.0561

(c)At least 2 will have invalid license i.e. r\geq 2

P(r\geq 2)=1-P(r=0)-P(r=1)

P(r\geq 2)=1-0.0114-0.0561

P(r\geq 2)=0.932

You might be interested in
Can someone help me ASAP!!
Ede4ka [16]

Answer:

UR in trouble

Step-by-step explanation:

Look, the First order is the biggest force in the galaxy.

Now, it is gonna  send a star destroyer to ur house and blow it up.

5 0
3 years ago
What is a / b (2x - 12) = c / d ; x ?
Alex17521 [72]

we are given

\frac{a}{b} (2x-12)=\frac{c}{d}

we can solve for x

We can isolate x

step-1: Multiply both sides by b/a

\frac{b}{a}*\frac{a}{b} (2x-12)=\frac{b}{a}*\frac{c}{d}

(2x-12)=\frac{bc}{ad}

step-2:Add 12 both sides

(2x-12)+12=\frac{bc}{ad}+12

2x=\frac{bc}{ad}+12

step-3: combine right side

2x=\frac{bc+12ad}{ad}

step-4:Divide both sides by 2

x=\frac{bc+12ad}{2ad}..............Answer

3 0
3 years ago
ANSWER THIS HURRYYYYYY
gladu [14]

Answer:

I believe its B, sorry if im wrong

Step-by-step explanation:

7 0
2 years ago
Answer plzzzzzz key limit
Schach [20]

Answer:

y = 3x + 1

Step-by-step explanation:

The slope is 3 and the y-intercept is 1, so y= 3x + 1.

4 0
3 years ago
Simplify 2/3x-4/9y+x+y
Helga [31]

.............idk............

3 0
3 years ago
Read 2 more answers
Other questions:
  • What is the completely factored form of the expression 16x2 + 8x + 32?
    17·1 answer
  • The Beach!
    13·1 answer
  • Stans son is 57 inches tall. what is his height in feet and inches?
    10·2 answers
  • What is the 6th term of the geometric sequence where a1=625 and a2=-125
    15·1 answer
  • What can u find out from the bar chart that you cannot find on the pie chart
    13·1 answer
  • Three sevenths of a children's choir are boys. There are 12 boys in the choir.
    9·2 answers
  • How long would it take you to walk 2.4 km at a speed of 1.5 m/s
    14·1 answer
  • I will give brainlyest
    8·1 answer
  • Triangle ABC was reflected across an axis.
    13·1 answer
  • There are 14 math teaches and 26 science teaches at
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!