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tatuchka [14]
3 years ago
10

The instructor thinks that the students may have answered the questions by guessing, so that the probability that any given answ

er is correct is . Under this null hypothesis, the number of correct answers has a binomial distribution with trials and success probability . Perform a chi-square test of this hypothesis. Can you reject at the level? Use the -value method with the TI- Plus calculator.
Mathematics
1 answer:
Lisa [10]3 years ago
5 0

Answer:

hmmmm if theres choices its B

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Raj is visiting the United States and needs to convert 2000 rupees to US dollars
Stells [14]

Answer:

After converting Raj will have $31.88 USD

Step-by-step explanation:

1 unit rupee =  0.01594 USD

It is given that,

Raj is visiting the United States and needs to convert 2000 rupees to US dollars

<u>Convert 2000 rupees to USD</u>

To find USD we have to multiply rupees with 0.01594

USD = 2000*0.01594

USD = $31.88

Therefore Raj will have $31.88 USD

7 0
3 years ago
Read 2 more answers
Evaluate the expression when: A=2, B=1, C=4<br> A+6/CB
vovikov84 [41]

Answer:

Imma rewrite the question as: 2+6/41

2+6=8

i think since the letters were next to each other u multiply?? Is so...:

4x1=4

8+4=12

=12

but if u add the letters next to eachother....

2+6=8

4+1=5

8+5=13

=13

or if u use “41” as a whole number and add it in..:

2+6=8

8+41=49

=49

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
HELP ME NOOWW PLEASE
erma4kov [3.2K]

Answer:

b

Step-by-step explanation:

what i did is i subtract 24 to 11 equals to 13 then add 13 to 72 .

i hope this helps

6 0
3 years ago
If B = {−13, −9, −7, −3}, choose the set A that will make the following statement false.
Svetach [21]

Answer: c.A is the set of rational numbers

Step-by-step explanation:

B ⊆ A means that every element of B is an element of A

B = { -13 , -9 , -7 , - 3 }

The element of B are negative integers , this mean that the element of A must also be integers therefore :

Option a is correct.

Option b is also correct

Rational numbers are numbers that can be express in the form a/b , examples are : 1/2 , 3/ 4 , 5/6 ...

clearly , this does not necessarily define A , so option c is the odd one out

5 0
3 years ago
Lucy is knitting a blanket and needs to buy some more yarn. at her local craft store, 2 skeins of yarn cost $7 and 8 skeins of y
laila [671]

Answer:

4

Step-by-step explanation:

Proportionality between skein values

8:2=4:1

Proportionality between cost values

28:7=4:1

The variation(both the skein values and cost values) has the constant of 4 ie the 1st skein value × 4= the last skein value & the 1st cost value × 4=the last cost value

7 0
2 years ago
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