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NikAS [45]
3 years ago
15

Jeremy and Caitlin collect baseball cards. the ratio of Jeremy’s cards and Caitlin’s cards was 9 to 3. After Jeremy gave 12 cars

s to Caitlin, they had an equal number of cards. How many cards did Caitlin and Jeremy have at first? Explain.
Mathematics
1 answer:
gulaghasi [49]3 years ago
7 0
You didnt say this right can you give better sentences please

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In a manufacturing plant that produces new computers, a 0.15 probability exists that a computer will be defective. if five compu
Sindrei [870]

The probability that all of them will be defective is 0.0000759375

<em><u>Explanation</u></em>

The general <u>Binomial Probability</u> formula is....

P= ^nC_{r}*p^r*(1-p)^n^-^r, where p is the probability of success, n is the total number of trials and r is the desired numbers of trials.

Given, the probability that a computer will be defective is 0.15 , so p = 0.15

Five computers are manufactured and we need to find the probability that all of them will be defective. That means, n = 5 and r = 5

Now according to the above formula....

P= ^5C_{5}*(0.15)^5*(1-0.15)^5^-^5 \\ \\ P= 1*(0.15)^5* (0.85)^0\\ \\ P=(0.15)^5 =0.0000759375

So, the probability that all of them will be defective is 0.0000759375

7 0
3 years ago
What are the prime numbers​
AysviL [449]
Prime numbers are only divisible by 1 or itself; the first few are are 2, 3, 5, 7, and 11.
5 0
3 years ago
Read 2 more answers
N 25 hour, Matt can type 45 page. <br><br> What is Matt's rate in pages per hour?
Kryger [21]
You can divide 45 by by 25 to get the pages per hour and it’s 1.8
5 0
3 years ago
30 points Help ASAP How do division properties help you evaluate expressions? Drag a word or number to the box to correctly comp
yKpoI14uk [10]

Answer:

Numerator , 0

Anything divided by 0 is always 0

Brainliest Pls

3 0
3 years ago
Jacob strode up 24 steps in 12 seconds to reach his apartment on the second floor. How many steps did he climb in 9.5 seconds?
shutvik [7]

Answer:

He climbed 19 steps

Step-by-step explanation:

Let steps climbed in 9.5 seconds = z

If           24 steps = 12 seconds

then:       z            = 9.5 seconds

Using criss cross method

24  x 9.5 = 12 x z

228 = 12 z

z = 228/12

z = 19 steps

3 0
3 years ago
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