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S_A_V [24]
3 years ago
5

Problem 1 a jar contains blue, red and green balls. the null-hypothesis h0 is that there is 25% percent of red balls. (1) a samp

le of 36 ball have been randomly pull out of jar. it contained 16 red balls. what is the probability of that happening? do you still believe that jar contains 25% red balls? answer:_____________________________________________________ (2) we create a statistic which we will use to test the h0 . the statistic is simply a number of red balls in the sample of 36 balls. we make a decision that we will reject the null-hypothesis if sample contains more than 15 red balls. what is the probability of that happening assuming that null-hypothesis is true?
Mathematics
1 answer:
Norma-Jean [14]3 years ago
5 0
(1) the probability of that happening is .4444.. so on. the jar isnt 25% red balls because 25% of 36 is only 9 and he pulled out 16 red balls. 

I dont know number two sorry.
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Let f(x) = -x-1 and g(x)=x2 - 2 Find (fog)(1)​
natta225 [31]

Answer:

Step-by-step explanation:

g(1) = 1^2 - 2 = -1 - 2 = -1

f(-1)= 1 - 1 = 0

6 0
3 years ago
During a certain day, a worker made 81 parts. He usually does 45 parts per day. What was the percent by which he increased the n
Lana71 [14]

Answer:

The answer is 80%.

Step-by-step explanation:

During a certain day, a worker made 81 parts.

He usually does 45 parts per day.

Number of extra parts made = 81-45=36

The percent by which he increased the number of parts he usually makes can be given as = \frac{36}{45}\times100 = 80%

Therefore, on that day, the percent increased by 80%.

6 0
4 years ago
ABC Insurance offers an annuity with 4.5% APR for the next 5 years. You decide to invest $1000 each year into this account. What
kipiarov [429]

Answer:

Ordinary annuity

Step-by-step explanation:

Given : ABC Insurance offers an annuity with 4.5% APR for the next 5 years. You decide to invest $1000 each year into this account.

To find : What type of annuity is this?

Solution :

Annuity is the form of insurance in which some of the money is paid each year to secure for future.

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In the given situation the annuity is ordinary annuity because the investment is done each year for 5 years.


7 0
3 years ago
Read 2 more answers
Which is equal to 47<br> __<br> 5 ​
Sergeu [11.5K]
D
•
•
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5x9= 45 remainder3 which means it 9 3/5
5 0
3 years ago
Yallll please help me its my next period and its missing.​
jeka57 [31]

Answer:

<em>#6: -1/5     #7: 2/3</em>

Step-by-step explanation:

#6:

(5,7) and (25,3)

3-7/ 25-5 = -1/5

#7:

( 6,4) and (12,8)

8-4/ 12-6 = 2/3

i hope this helped! :D

5 0
3 years ago
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