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kykrilka [37]
3 years ago
6

Please help me!

Mathematics
2 answers:
slava [35]3 years ago
8 0
1/6·30=5
so your answer is b)5

umka2103 [35]3 years ago
7 0

Answer:

5 times a 6 can be expected in 30 times.

Step-by-step explanation:

A die is rolled 30 times.

We have to find how many time a 6 can be expected in 30 times.

Probability of getting 6 in 1 time = \frac{1}{6}

⇒ Probability of getting 6 in 30 time = \frac{1}{6}\times30

                                                             = 5 times

Therefore, 5 times a 6 can be expected in 30 times.

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#FleePointsForFlee<br> as you see, #FleePointsForFlee 2
viktelen [127]

tysm luv this #FleePointsForFlee thing!!!!! :))))

4 0
2 years ago
​john's commute time to work during the week follows the normal probability distribution with a mean time of 26.7 minutes and a
Angelina_Jolie [31]
To evaluate the probability that a randomly selected day will be between 28 and 34 minutes we proceed as follows:
P(28<x<34)
First we evaluate the z-score for the above values:
z=(x-σ)/μ
μ=26.7
σ=5.1

when:
x=28
z=(28-26.7)/5.1
z=0.26
P(z<0.26)=0.6026

when x=34
z=(34-26.7)/5.1
z=1.43
P(z<1.43)=0.9236
hence:
P(28<x<34)=0.9236-0.6026=0.321~32.1%

6 0
3 years ago
You deposit $200 in an account earning 3% interest compounded
anastassius [24]

Answer:

$268.78

Step-by-step explanation:

We will use the compound interest formula to solve this:

A=P(1+\frac{r}{n} )^{nt}

<em>P = initial balance</em>

<em>r = interest rate (decimal)</em>

<em>n = number of times compounded annually</em>

<em>t = time</em>

First, change 3% into its decimal form:

3% -> \frac{3}{100} -> 0.03

Now, plug in the values:

A=200(1+\frac{0.03}{1})^{1(10)}

A=268.78

After 10 years, you will have $268.78

5 0
3 years ago
Hich of the following is a true statement about perpendicular lines?
IRISSAK [1]

Answer:

C.

perpendicular lines intersect in at least two points..

ok im not sure sorry

3 0
3 years ago
Read 2 more answers
if 62% percent of people voted in a community of about 55,200 eligible voters how many people were registerd
solniwko [45]
62% of 55,200...turn ur percent to a decimal..." of " means multiply
0.62(55,200) = 34,224 <==

although, just because u r registered, does not mean u vote.
6 0
3 years ago
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