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
yKpoI14uk [10]
3 years ago
7

According to a study, 91% of all adults have a cell phone. An employee of a cell phone company attends a community event and has

a special offer to give to first time cell phone owners. If she randomly selects adults in attendance at the event and cell phone ownership is independent from adult to adult, what is the probability that she asks 21 adults total to find the first one that does not own a cell phone?
Mathematics
1 answer:
umka2103 [35]3 years ago
6 0

Answer:

(0.91)^{20}(0.09)

Step-by-step explanation:

You might be interested in
For a data set of weights​ (pounds) and highway fuel consumption amounts​ (mpg) of seven types of​ automobile, the linear correl
ololo11 [35]

Answer:

The​ P-value indicates that the probability of a linear correlation coefficient that is at least as extreme is__3.5%___ which is___significant_(at α=0.05)_ so there _is_ sufficient evidence to conclude that there is a linear correlation between weight and highway fuel consumption in automobiles.

Step-by-step explanation:

Correlation coefficient shows the relation between the <em>weights</em><em>​</em> and <em>highway fuel consumption amounts</em> of seven types of automobile.

P-value states <em>the significance</em> of this relationship. If the p-value is lower than a <em>significance level</em> (for example 0.05) then the relation is said to be significant.

5 0
3 years ago
Can someone help me with this? I’ve been struggling with it for a couple days and it’s due today. I’ll give brainliest if you an
Lynna [10]

Answer:

ammm sige and I will be back from tomorrow so I'll be in the leader of my class

Step-by-step explanation:

sige and sa will of in in in couple couple

6 0
2 years ago
How big will the Universe be in 999 nonillion years?
Andru [333]

Answer:

it will be 5x the size it is now

Step-by-step explanation:

veiwer discrection is advised

7 0
3 years ago
Slope (m)=3, passes through (0, - 2)
Svetradugi [14.3K]

Answer:

aWht is this .??????????????

6 0
3 years ago
Read 2 more answers
What is 1/9 written as a decimal AND a percentage?
julia-pushkina [17]
.1 repeating - decimal
11% - percentage
6 0
3 years ago
Other questions:
  • Mira's kitchen sink holds up to 103 468 liters of water. Round this amount to the nearest liter.
    9·1 answer
  • Find the cost of twelve $1,000 bonds, at a quotient of 84.50
    6·1 answer
  • Jason Aldeen bought a house for $275,000. He made a down payment of 15%. The interest rate is 4.2% for 15 years.
    10·1 answer
  • A total of 250 people were surveyed about whether or not each person carries a cell phone. The results are shown below in the re
    10·2 answers
  • Which of the following is slope of the line that passes through the points (-1 , 10 ) and (5,2)
    6·1 answer
  • What would the equation be if the points were 6,18 and -12,3
    5·1 answer
  • Pls answer! ty if u do! :))))
    8·1 answer
  • sadie travels through two intersections with traffic lights as she drives to work. The traffic lights operate inependently. The
    10·1 answer
  • How do I write a percent less than 1 ? such as. 0.001​
    6·1 answer
  • WHEN LOIS MARTIN WAS BORN, HER FATHER DEPOSITED $2000 IN A SAVINGS
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!