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Veronika [31]
3 years ago
7

Solve the equation for x.

Mathematics
1 answer:
horrorfan [7]3 years ago
6 0
The correct answer is D

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Suppose that you are taking a T/F exam and you have no idea at all about the answers to the last three questions. You choose ans
podryga [215]

Answer:

0.375, 0.125, 0.5

Step-by-step explanation:

given that you are taking a T/F exam and you have no idea at all about the answers to the last three questions.

Probability for correct guess = 0.5 remains constant for each of the three questions

X - no of questions is binomial with n =3 and p = 0.5

1) the probability that you guessed right on exactly one of the three questions

= P(X=1)

= 3C1(0.5)^3 = 0.375

2) the probability that you guessed right on zero of the three questions

= P(X=0)\\= 0.5^3=0.125

3) the probability that you guessed right on at least two of the questions

=P(x=3)+P(2)\\= 1-0.5\\=0.5

7 0
3 years ago
LEARN Denzel gives of his pretzel sticks to Jane and of his pretzel sticks to Hannah. He has 55 pretzel sticks left. How many pr
sweet-ann [11.9K]

Answer:

90 pretzel sticks.

Step-by-step explanation:

7 0
3 years ago
Please help with this problem.
Sergio039 [100]
The answer will be 14.93
3 0
3 years ago
BRAINLIEEESSSSTTT!!!
kogti [31]
C is correct. So it’s asking given any whole number Squared you will get another whole number squared but in reality there are only a few numbers like that and they are called perfect squares(4 16 36 81 121)
3 0
3 years ago
Question 7: please help. I will give brainliest to correct answer.
liq [111]

Answer:

0.03

Step-by-step explanation:w

standard deviation = ( p(1-p) / n)1/2

p= sample proportion= 55%

n= sample size = 900

standard deviation = ( [55/100] [ 1- 55/100]) / 900)1/2

= (0.55*0.45 / 900)1/2

= 0.0165

margin of error = critical value*standard deviation

[ from graph critical value = 2]

margin of error = 2*0.0165=0.033

4 0
3 years ago
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