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3 years ago

Answer below PLEASE HELP ME PLSSS HELP MARK BRAINLIEST

Mathematics

2 answers:

Tanzania [10]3 years ago

8 0

The equation is y=4
Your welcome

MaRussiya [10]3 years ago

7 0

The equation for line l is y = 4

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An unbalanced die is manufactured so that there is a 20% chance of rolling a “six." The die is rolled 6

SIZIF [17.4K]

Answer:

Probability of rolling at least 4 sixes is 0.01696.

Step-by-step explanation:

We are given that an unbalanced die is manufactured so that there is a 20% chance of rolling a “six." The die is rolled 6 times.

The above situation can be represented through binomial distribution;

$P(X = r) = \binom{n}{r} \times p^{r} \times (1-p)^{n-r};x=0,1,2,3,.......$

where, n = number trials (samples) taken = 6 trials

r = number of success = at least 4

p = probability of success which in our question is probability of

rolling a “six", i.e; p = 0.20

Let X = Number of sixes on a die

So, X ~ Binom(n = 6, p = 0.20)

Now, Probability of rolling at least 4 sixes is given by = P(X $\geq$ 4)

P(X $\geq$ 4) = P(X = 4) + P(X = 5) + P(X = 6)

= $\binom{6}{4} \times 0.20^{4} \times (1-0.20)^{6-4}+\binom{6}{5} \times 0.20^{5} \times (1-0.20)^{6-5}+\binom{6}{6} \times 0.20^{6} \times (1-0.20)^{6-6}$

= $15 \times 0.20^{4} \times 0.80^{2}+6 \times 0.20^{5} \times 0.80^{1}+1 \times 0.20^{6} \times 0.80^{0}$

= 0.0154 + 0.00154 + 0.000064

= 0.01696

Therefore, probability of rolling at least 4 sixes is 0.01696.

8 0

3 years ago

HELP PLZ PLZ plz plz plz pretty plz Z!!!

kenny6666 [7]

Answer:

I think it is B 1/2

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

1) The bakers at Healthy Bakery can make 290 bagels in 10 hours. How many

Ivenika [448]

Answer:

667 bagels in 23 hours

29 bagels per hour

Step-by-step explanation:

We first find the unit rate in bagels per hour.

(290 bagels) / (10 hours) = 29 bagels/hour

Now we find the number of bagels made in 23 hours.

23 hours * 29 bagels/hour = 667 bagels

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3 years ago

Tion of your knowledge on the nature of roots:

MAXImum [283]

Answer:

The roots are not real.

Step-by-step explanation:

To prove : The roots of I/2 +9 (1-k) are real for all real values of k ?Solution :

The roots are real when discriminant is greater than equal to zero.

i.e b2-4ac>0 But the roots are imaginary therefore the roots of the given equation are not real for any value of k.If x²+kx+k=0, find the value of k, If the roots are real & equal.

3 0

3 years ago

Part C

ehidna [41]

Answer:

Dec 7, 2020 — Calculate the ratio of the lengths of the two line segments formed on each transversal. You will have two sets of calculations. Round your ... sets of calculations. Round your answers to the hundredths place. What do you notice about the ratios of the lengths for each transversal? How do they compare? 1.

Step-by-step explanation:

brainlist please or else ill kill you understand

4 0

3 years ago