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kkurt [141]
3 years ago
9

I will mark as brainliest, thank you

Mathematics
2 answers:
ch4aika [34]3 years ago
6 0

It would be 3/25 who are left handed and 22/25 who are right handed.

Korvikt [17]3 years ago
3 0

Answer:

12% = 12/100 = 3/25 of people are left-handed and the rest, 22/25, are right-handed.

Step-by-step explanation:

12% can be writen using the fraction 12/100 which is equal to 3/25 when reduced to lowest terms.

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George wants to invest $3,250. American Bank offers a simple interest rate of 4%, while Liberty Savings offers an interest rate
Varvara68 [4.7K]

Answer:

$4,363.03

i hope i actually get this right because im doing a test right now in math class

5 0
3 years ago
The calories per serving for three sports drinks are 60 cal, 42 cal, and 90 cal. The probability of choosing a 60 calorie drink
dsp73
The expected value is given by:
E(x)= ∑x*p(x)
thus the expected value of calories will be given by:
E(x)=1/6*60+1/2*42+1/3*90
E(x)=10+21+30
E(x)=61

the answer is 61
7 0
3 years ago
I NEED A 100% ACCURATE RIGHT ANSWER ASAP NO LINKS !!!
Virty [35]

it's 8=8 meaning it is always true, and infinity.

7 0
2 years ago
Read 2 more answers
Lucy has scored 19 , 20 , and 29 points in her three basketball games so far. How many points does she need to score in her next
Ipatiy [6.2K]

She needs 28 points. In her previous 2 games, she got 68 points. In order to average 24 points, you need 96 points in 4 games. 96-68=28

6 0
2 years ago
A bank manager has developed a new system to reduce the time customers spend waiting for teller service during peak hours. The m
Lana71 [14]

Answer:

(a) <em>H₀</em>: <em>μ</em> = 10 vs. <em>Hₐ</em>: <em>μ</em> < 10.

(b) The level of significance is 0.05.

Step-by-step explanation:

A new system is used to reduce the time customers spend waiting for teller service during peak hours at a bank.

A single mean test can be used to determine whether the waiting time has reduced.

(a)

The hypothesis to test whether the new system is effective or not is:

<em>H₀</em>: The mean waiting time is 10 minutes, i.e. <em>μ</em> = 10.

<em>Hₐ</em>: The mean waiting time is less than 10 minutes, i.e. <em>μ</em> < 10.

(b)

The information provided is:

\bar x=9.5\\s=2.2\\n=70

Compute the test statistic value as follows:

t=\frac{\bar x-\mu}{s/\sqrt{n}}=\frac{9.5-10}{2.2/\sqrt{70}}=-1.902

The test statistic value is <em>t</em> = -1.902.

Compute the <em>p</em>-value of the test as follows:

p-value=P(t_{n-1}

               =P(t_{69}1.902)\\=0.031

The null hypothesis will be rejected if the <em>p</em>-value of the test is less than the significance level (<em>α</em>).

The <em>p</em>-value obtained is 0.031.

To reject the null hypothesis the value of <em>α</em> should be more than 0.031.

The most commonly used values of <em>α</em> are: 0.01, 0.05 and 0.10.

So, the least value of <em>α</em> at which we can conclude that the wait times have decreased is, <em>α</em> = 0.05.

Thus, the level of significance is 0.05.

6 0
3 years ago
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