answer.
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
Komok [63]
2 years ago
13

The 154 tenth-graders at Wilson High School were polled on whether they enjoyed their algebra or geometry course more. The resul

ts are shown below. Algebra: 34 female, 33 male Geometry: 40 female, 47 male Use the drop-down menus to answer the questions. What is the probability that a randomly chosen tenth-grader is male? What is the probability that a randomly chosen tenth-grader is male given that the tenth-grader prefers geometry? Are the events “male” and “geometry” independent?
Mathematics
2 answers:
kolbaska11 [484]2 years ago
8 0

Answer:

51.94805...%

Step-by-step explanation:

added up all the #'s =154

added up all the bois =80

divide 80 from 150 =0.51948...

multiply that by 100 =51.94805...

Nat2105 [25]2 years ago
5 0

Answer:

80/154 47/87 no. P male does not equal p (male geometry)

Step-by-step explanation:

You might be interested in
Triangle BAC was rotated 90° clockwise and dilated at a scale factor of 2 from the origin to create triangle XYZ. Based on these
ANEK [815]

Answer:

The correct option is;

∠A ≅ ∠X

Step-by-step explanation:

The given coordinates of the points of triangle ACB are;

A(-4, 4), C(-1, 3), B(-4, 0)

The given coordinates of the points of triangle XYZ are;

X(0, 8), Y(8, 8), Z(6, 2), therefore, we have

The length. l. of segment is given by the following formula;

l = \sqrt{\left (y_{2}-y_{1}  \right )^{2}+\left (x_{2}-x_{1}  \right )^{2}}

For the length of the segment AC; (x₁, y₁) = (-4, 4), (x₂, y₂) = (-1, 3), l = √(10)

For the length of the segment AB; (x₁, y₁) = (-4, 4), (x₂, y₂) = (-4, 0), l = 4

For the length of the segment BC; (x₁, y₁) = (-4, 0), (x₂, y₂) = (-1, 3), l = 3·√2

For the length of the segment XY; (x₁, y₁) = (0, 8), (x₂, y₂) = (8, 8), l = 8

For the length of the segment XZ; (x₁, y₁) = (0, 8), (x₂, y₂) = (6, 2), l = 6·√2

For the length of the segment ZY; (x₁, y₁) = (6, 2), (x₂, y₂) = (8, 8), l = 2·√(10

Therefore;

XY ~ AB, XZ ~ BC, ZY ~ AC

Which gives;

∠A ≅ ∠X, ∠B ≅ ∠Y, ∠C ≅ ∠Z

8 0
2 years ago
Read 2 more answers
The vertices of polygon ABCD are at A(1, 1), B(2, 3), C(3, 2), and D(2, 1). ABCD is reflected across the x-axis and translated 2
Lana71 [14]

-- Reflecting across the x-axis makes all the x-coordinates the negative of
what they were before the reflection.  The y-coordinates don't change.

-- Translating 2 units up makes all the y-coordinates 2 greater than
they were before the translation.  The x-coordinates don't change.

You didn't give us a list of new coordinates, so there's nothing
to match with.
8 0
2 years ago
A bin of 5 transistors is known to contain 2 that are defective. The transistors are to be tested, one at a time, until the defe
xxMikexx [17]

Answer:

P(N_1 = a , N_2 = b)= \frac{1}{5-a C 1} * \frac{5-a C 1}{5C2} = \frac{1}{5C2}=\frac{1}{10}

Step-by-step explanation:

For the random variable N_1 we define the possible values for this variable on this case [1,2,3,4,5] . We know that we have 2 defective transistors so then we have 5C2 (where C means combinatory) ways to select or permute the transistors in order to detect the first defective:

5C2 = \frac{5!}{2! (5-2)!}= \frac{5*4*3!}{2! 3!}= \frac{5*4}{2*1}=10

We want the first detective transistor on the ath place, so then the first a-1 places are non defective transistors, so then we can define the probability for the random variable N_1 like this:

P(N_1 = a) = \frac{5-a C 1}{5C2}

For the distribution of N_2 we need to take in count that we are finding a conditional distribution. N_2 given N_1 =a, for this case we see that N_2 \in [1,2,...,5-a], so then exist 5-a C 1 ways to reorder the remaining transistors. And if we want b additional steps to obtain a second defective transistor we have the following probability defined:

P(N_2 =b | N_1 = a) = \frac{1}{5-a C 1}

And if we want to find the joint probability we just need to do this:

P(N_1 = a , N_2 = b) = P(N_2 = b | N_1 = a) P(N_1 =a)

And if we multiply the probabilities founded we got:

P(N_1 = a , N_2 = b)= \frac{1}{5-a C 1} * \frac{5-a C 1}{5C2} = \frac{1}{5C2}=\frac{1}{10}

8 0
2 years ago
Jason is decorating his house and decides to paint one of the bedrooms blue. One tin of 500mL blue paint costs $11.50. To finish
adell [148]
1.You have that:
<span> 
 - One tin of 500 mL blue paint costs $11.50.
 -Jason needs </span><span>4 L of blue paint.
 
 2. First, you must convert 4 L to mL, as below:
 
 1 L----1000 mL
 4 L----x
 
 x=4x1000/1
 x=4000 mL
 
 3. If 500 mL costs $11.50, h</span><span>ow much will it cost 4000 mL?
</span><span> 
 500 mL-----$11.50
 4000 mL---x
 
 x=(4000 mL)($11.50)/500 mL
 x=$92.00
</span><span> 
 How much will it cost Jason to paint this bedroom?
 
 The answer is: $92.00</span><span> 
</span>
8 0
2 years ago
How many even numbers are greater than 202 and less than 405?
Aleks04 [339]

Answer:

203 numbers are between 202 and 405

Step-by-step explanation:

405 - 202 = 203

5 0
2 years ago
Read 2 more answers
Other questions:
  • How to write 20, 484, 163 and expanded form
    5·1 answer
  • Adela rode her bicycle 18.3 miles in 5 hours. Which gives the best estimate of how far Adela rode in 1 hour?
    13·2 answers
  • A fish market bought two swordfish at a rate of $13 per pound the cost of the larger fish was 3 times as great as the cost of th
    15·1 answer
  • John and his three brothers share a cell phone plan. The cell phone company charges a flat rate of $90 per month, which the four
    5·2 answers
  • ants have 6 legs. Elena and Andre write equations showing the proportional relationship between the number of ant legs L Elena w
    11·2 answers
  • The idle time for taxi drivers in a day are normally distributed with an unknown population mean and standard deviation. If a ra
    8·1 answer
  • In Siri's coin purse, she has 6 dimes and 4 quarters. Martha has 5 dimes and 3 quarters. Siri thinks that the ratio of dimes to
    8·1 answer
  • A random survey of seventh and eighth grade students was conducted to find out how many hours are spent doing homework each nigh
    13·1 answer
  • Lucas built a composite solid by joining 12 identical blocks, with dimensions 4 inches by 5 inches by 7 inches, into three rows
    6·1 answer
  • Erin built a wooden box to hold hay on her farm. Hay costs $14dollar sign, 14 per cubic meter. How much will it cost to complete
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!