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spin [16.1K]
2 years ago
6

Mohamad spends $4 a week on comic books. How much LESS money will he have in 4 weeks from NOW? How much MORE money did Mohamad h

ave in 2 weeks ago?
Mathematics
1 answer:
Zepler [3.9K]2 years ago
4 0

Answer:

8

Step-by-step explanation:

So, $4x4weeks= 16

4x2=8

So he had 8 MORE money than in 4 weeks

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What are the following values from least to greatest 0 6 1/2 -1 9 can you help me pleaseeee​
alisha [4.7K]
-1, 0, 1/2, 6, 9 hope that helps
7 0
2 years ago
if you roll a fair 6-sided die 9 times, what is the probability that at least 2 of the rolls come up as a 3 or a 4?
Kay [80]

Using the binomial distribution, it is found that there is a 0.857 = 85.7% probability that at least 2 of the rolls come up as a 3 or a 4.

For each die, there are only two possible outcomes, either a 3 or a 4 is rolled, or it is not. The result of a roll is independent of any other roll, hence, the <em>binomial distribution</em> is used to solve this question.

Binomial probability distribution

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

C_{n,x} = \frac{n!}{x!(n-x)!}

The parameters are:

  • x is the number of successes.
  • n is the number of trials.
  • p is the probability of a success on a single trial.

In this problem:

  • There are 9 rolls, hence n = 9.
  • Of the six sides, 2 are 3 or 4, hence p = \frac{2}{6} = 0.3333

The desired probability is:

P(X \geq 2) = 1 - P(X < 2)

In which:

P(X < 2) = P(X = 0) + P(X = 1)

Then

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 0) = C_{9,0}.(0.3333)^{0}.(0.6667)^{9} = 0.026

P(X = 1) = C_{9,1}.(0.3333)^{1}.(0.6667)^{8} = 0.117

Then:

P(X < 2) = P(X = 0) + P(X = 1) = 0.026 + 0.117 = 0.143

P(X \geq 2) = 1 - P(X < 2) = 1 - 0.143 = 0.857

0.857 = 85.7% probability that at least 2 of the rolls come up as a 3 or a 4.

For more on the binomial distribution, you can check brainly.com/question/24863377

7 0
2 years ago
Point T is on line segment \overline{SU} SU . Given ST=12ST=12 and TU=3,TU=3, determine the length \overline{SU}. SU
vova2212 [387]

Answer:

SU = 15

Step-by-step explanation:

Given that,

Point T is on line segment SU. So,

SU = ST + TU

Putting all the values, we get :

SU = 12 + 3

SU = 15

Hence, the length of SU is 15 units.

3 0
2 years ago
F(x) = x2 + 4x – 5 is x = -2.
Likurg_2 [28]
If im correct it would be -2(2)+4(-2)-5 which is -4-8-5 which would be -17
5 0
3 years ago
Meneca bought a package of 435 party favors to give to the guests at her birthday party. She calculated that she could give 9 pa
Makovka662 [10]
She is expecting approximately 48 guests 
8 0
3 years ago
Read 2 more answers
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