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
Vlada [557]
3 years ago
11

ok average, david throws 8 strikes out of every 10 pitches. if he pitches the ball 15 times, how many strikes would you expect h

im to throw.
Mathematics
2 answers:
kirill [66]3 years ago
7 0
12 plz give me brainiest  if i am right
kaheart [24]3 years ago
7 0
Short answer = 12
Givens
David throws 8 strikes out of 10 pitches
He has a sample of 15 pitches.

Question
How many strikes should he throw out of 15?

Formula
P(strikes) = number of strikes / Sample size

Substitute and solve.
P(strikes) = 8/10
P(strikes) = 0.8

If you throws 15 pitches it should be
Expected_Value (15) = P(strikes) * larger sample
Expected_value (15) = 0.8 * 15
Expected_value (15) = 12
You might be interested in
If angle X has a measure of 40 degrees and angle Y is vertical to angle X what is the measure of angle Y?
erica [24]
If an angle is 70 degrees and there is an angle vertical to it, then that other angle also equals 70 degrees. Therefore, if angle X equals 40 degrees, then angle Y also equals 40 degrees. Hope this helps.
6 0
4 years ago
Read 2 more answers
PLEASE HELP
Ainat [17]

Answer: b

Step-by-step explanation:

8 0
3 years ago
If F(x) = log 5 2x, find F^-1(x). a. 5^y=2x b. 5^2y=x c. y = (5^x)/2
gregori [183]

Answer:

y = \frac{5^{x} }{2}

Step-by-step explanation:

y = log 5 2x

inverse ------> y=x

x = log 5 2y

5^{x} = 2y

y = \frac{5^{x} }{2}

4 0
4 years ago
1. A box contains 10 blue Stickers, 15 red stickers , and 25 orange stickers . A sticker is selected and its color noted. Then i
denis-greek [22]

Answer:

1/25 ; 3/20 ; 3/50

Step-by-step explanation:

Total number of stickers :

(10 + 15 + 25) = 50 stickers

Probability = required outcome / Total possible outcomes

a. Selecting blue and blue stickers

P(First blue) = 10/50 = 1/5

P(second blue) = 10/50 = 1/5

1/5 * 1/5 = 1 / 25

b. Selecting one red sticker and then one orange sticker

P(First red) = 15/50 = 3/10

P(second orange) = 25/50 = 1/2

3/10 * 1/2 = 3 /20

Selecting one red sticker and then one blue sticker

P(First red) = 15/50 = 3/10

P(second blue) = 10/50 = 1/5

3/10 * 1/5 = 3 / 50

4 0
3 years ago
Which equation represents a line that has a slope of 3/4 and passes through the point (2,1)?
ValentinkaMS [17]
The general equation of a line is:
\frac{y- y_{1}}{x- x_{1}} =m
When m is the gradient and x1 and y1 are the coordinates of the points on the line
Therefore:
\frac{y-1}{x-2}=3/4
4y-4=3x-6
4y=3x-2
5 0
3 years ago
Other questions:
  • 14T1,000 lb+2T1,000 lb
    14·1 answer
  • Write a definition and give an example of the Commutative Property of Addition using decimal numbers.
    5·1 answer
  • Safari Park<br>24 dogs<br>9 cats<br>Number of Animals​
    11·2 answers
  • What is the solution to the system of equations?<br> X+y=5<br> X-2y=2<br> ( , )
    15·2 answers
  • Name each polygon . Then tell whether it is a regular polygon or not a regular polygon
    14·1 answer
  • Wrote (6x1/1000) in standard form
    6·1 answer
  • How can one 1/4x − 3 = 1/2x + 8 be set up as a system of equations?
    7·1 answer
  • PLEASE HELP ASAP, MARKING BRAINLIEST!!!
    5·1 answer
  • It iready give me the answer please no link or bot
    7·2 answers
  • Please help with math
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!