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Lisa [10]
3 years ago
11

A locker combination has two nonzero digits, and the digits can be repeated. The first number is 3. What is the probability that

the second number is 3?
Mathematics
1 answer:
xenn [34]3 years ago
4 0
The answer would be 4/9
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Please help me with homework or i will get yelled by my teachers lolz
Amiraneli [1.4K]

Answer:

the answer to this is 7.

Step-by-step explanation:

7+3=10.

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A television can be bought on hire purchase with a deposit of $800 and 20 monthly installments of $275. What is the hire purchas
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The hire purchase price is $6300

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WILL GIVE BRAINLIEST! 7th GRADE MATH
Kitty [74]

Answer:

Third option is the right choice.

Step-by-step explanation:

The intersection point of both lines is (-2, 2).

Area of triangle  \Rightarrow 12.5 = \frac{5\times x}{2}

\Rightarrow x=5

This represents the height of the triangle.

So, the y-coordinate of C, will be y-coordinate of point of intersection plus height of triangle.

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8 0
3 years ago
Assume that when adults with smartphones are randomly​ selected, ​% use them in meetings or classes. If adult smartphone users a
aleksklad [387]

The probability that exactly 6 of 8 adult use their smartphones in meetings or classes is 0.147 or 14.7% .

The complete question is

Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes (based on data from an LG Smartphone survey). If 8 adult smartphone users are randomly selected, find the probability that exactly 6 of them use their smartphones in meetings or classes.

<h3>What is Probability ?</h3>

Probability is the measure of likeliness of an event to happen.

The probability given is

p = 54% = 0.54

n =8

r = 6

The binomial Probability is given by

\rm P(x) = ^n C_r p^r q^{n-r}

The probability that exactly 6 people use smartphones in a class of 8 student is given by

P(x) = \dfrac{n!}{r! (n-r)!} p^r q^{n-r}

Here q represents the complement

q = 1 -p

q = 1-0.54 = 0.46

P(6) = \dfrac{8!}{6! (2)!} 0.54^6 0.46^{2}\\\\\P(6) = \dfrac{8 * 7}{ 2} 0.54^6 0.46^{2}\\\P(6) = 0.147

Therefore The probability that exactly 6 of 8 adult use their smartphones  in meetings or classes is 0.147 or 14.7% .

To know more Probability

brainly.com/question/11234923

#SPJ1

4 0
2 years ago
Here are five number cards.
Luden [163]

Answer:

<u>Card:: 17</u>

Step-by-step explanation:

<em>Mean is nothing but all of the numbers added together then multiplied by the amount of numbers that there are. In this case, the mean for all of them are 8.2. When you take away the 17, you would be let with 2+5+8+9/4 this results in 24/4 which equals 6.</em>

HOPE THIS HELPS!!!

5 0
3 years ago
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