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
Kryger [21]
3 years ago
10

Emily flipped a coin 30 times the coin landed heads up nine times and tails up 21 times

Mathematics
1 answer:
lara [203]3 years ago
8 0
Part A)
 The coin landed on heads 9 times out of 30 flips, so the experimental probability is 9/30, which reduces to 3/10 probability.

Part B)
 Theoretically a coin has a 1/2 probability of landing on heads each flip


You might be interested in
The numbers on this ruler represent centimeters. What is the precision of this ruler? cm What is the greatest possible error for
Leya [2.2K]

Answer:

1)0.1cm

2)0.05cm

3)1.65cm

4)1.75cm

Step-by-step explanation:

6 0
3 years ago
A group of women tried five brands of fingernail polish and ranked them according to preference. What level of measurement is th
diamong [38]

Answer: Ordinal

Step-by-step explanation:

We know that the ordinal scale is a level of measurement which is used when we are ordering attributes according to their ranks or preferences.

For example : In an exam we arrange position of students as :

First > Second > Third and so on.

Given : A group of women tried five brands of fingernail polish and ranked them according to preference. It means she is arranging the brands in an order .

Thus this is an ordinal level of measurement .

5 0
3 years ago
What is HCF and LCM ? # confused
GaryK [48]
HCF= highest common factor
LCM= least common multiple
7 0
3 years ago
Read 2 more answers
5x−y=6 −2x+y=8 ​ combining equations
adoni [48]

Answer:

<h2>x=2</h2><h2>y=4</h2>

Step-by-step explanation:

5x-y=6

2x+y=8

add them up

7x=14

divide by 7 to get x

x=2

fit it into both equation

y=4

5 0
2 years ago
Read 2 more answers
2 4 8 16 what is the rule and the sixth number in the sequence answers
aleksklad [387]
The sequence is incrementing by
{2}^{n}
Therefore, the sixth number is
{2}^{6}
Which is 64.
7 0
3 years ago
Other questions:
  • Jen wants to buy four books: for $10.00, for
    10·1 answer
  • Qual o resultado de<br> (-3+4-2)elevado a 5
    8·1 answer
  • If you could explain how to solve this, that'd be great!
    5·2 answers
  • What is the length of MN¯¯¯¯¯¯¯, to the nearest tenth of a foot? 10.6 ft 14.7 ft 15.6 ft 18.0 ft A horizontally-aligned scalene
    13·1 answer
  • (n^3 +67² + 4n - 2)/(n + 1)
    8·1 answer
  • Why might you want to round to the nearest hundred rather than the nesrest ten
    15·1 answer
  • X-intercept=4 y-intercept= -2 what is the slope of this line?
    5·1 answer
  • Let u = &lt;9,4&gt;, v = &lt;-2,5&gt; Find u + v.
    14·1 answer
  • Marc mixes blue and yellow paint to make his favorite shade of green, which he'll use to paint his house. He has 14 cans of blue
    15·1 answer
  • What is the probability of<br> spinning an A?<br> B<br> B<br> A<br> B<br> C<br> A<br> [?]%<br> C
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!