1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
topjm [15]
3 years ago
6

A bag contains 4 red chips, 5 blue chips, and 6 green chips. If Susie selects a chip from

Mathematics
1 answer:
Anestetic [448]3 years ago
4 0

Answer:

23%

Step-by-step explanation:

You might be interested in
A professor wishes to discover if seniors skip more classes than freshmen. Suppose he knows that freshmen skip 2% of their class
KIM [24]

Answer:

We conclude that seniors skip more than 2% of their classes at 0.01 level of significance.

Step-by-step explanation:

We are given that a professor wishes to discover if seniors skip more classes than freshmen. Suppose he knows that freshmen skip 2% of their classes.

He randomly samples a group of seniors and out of 2521 classes, the group skipped 77.

<u><em /></u>

<u><em>Let p = percentage of seniors who skip their classes.</em></u>

So, Null Hypothesis, H_0 : p \leq 2%   {means that seniors skip less than or equal to 2% of their classes}

Alternate Hypothesis, H_A : p > 2%   {means that seniors skip more than 2% of their classes}

The test statistics that will be used here is <u>One-sample z proportion</u> <u>statistics</u>;

                                   T.S.  = \frac{\hat p-p}{{\sqrt{\frac{\hat p(1-\hat p)}{n} } } } }  ~ N(0,1)

where, \hat p = sample proportion of seniors who skipped their classes = \frac{77}{2521}

           n = sample of classes = 2521

So, <u><em>test statistics</em></u>  =  \frac{\frac{77}{2521} -0.02}{{\sqrt{\frac{\frac{77}{2521}(1-\frac{77}{2521})}{2521} } } } }

                               =  3.08

The value of the test statistics is 3.08.

Now at 0.01 significance level, <u>the z table gives critical value of 2.3263 for right-tailed test</u>. Since our test statistics is more than the critical value of z as 2.3263 < 3.08, so we have sufficient evidence to reject our null hypothesis as it will fall in the rejection region due to which <u>we reject our null hypothesis</u>.

Therefore, we conclude that seniors skip more than 2% of their classes.

6 0
3 years ago
PLSSS ANSWER WILL GIVE BRAINLIEST
Korolek [52]

Answer:

a. Positive

b. Negative

c. Negative

d. Positive

Step-by-step explanation:

I hope this helps! May I please have brainliest? :)

8 0
3 years ago
Read 2 more answers
SOMEONE PLEASE HELP!<br>Set up an inequality showing that the radicand cannot be negative.
Stolb23 [73]

Answer:

3t-9 >= 0

Step-by-step explanation:

Original function f(t)= square root 3t-9

There cannot be a negative in the radicand therefore 3t-9 cannot equal a negative number.  

6 0
3 years ago
Read 2 more answers
Its in the link belowwwww its 8th grade math.. tysvm
Alexandra [31]

Answer:

9

Step-by-step explanation:

5 0
2 years ago
In one year, a government collected about $6250 per person in taxes. If the population was 270,000,000, how much did the governm
Firlakuza [10]

Answer:

1,687,500,000,000

Step-by-step explanation:

1) 270,000,000 x 6250

5 0
2 years ago
Other questions:
  • What is i to the 97th power minus i
    11·1 answer
  • How is the process of multiplying fractions different from the process of adding fractions
    6·2 answers
  • What is the speed of sound near earths surface at 15 C and at 2 C in simplistic form?
    7·1 answer
  • Isabelle invested $25,000 into an account that earns 3% annual interest compounded quarterly. If she makes no other deposits int
    15·1 answer
  • To arrive at its destination on time the bus should have maintained a speed of vv kilometers per hour throughout the journey. In
    7·1 answer
  • What is the written form of the decimal number .954
    15·2 answers
  • Here is Priya's calculation of 906 divided by 3
    14·1 answer
  • Which parent function is fx) = 1x/?
    9·1 answer
  • Six less than the product of number n and 1/7 is no more than 99
    10·2 answers
  • A line goes through the points (−8,−5) and (−10,−6). Find its slope. Enter your answer as a simplified improper fraction, if nec
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!