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ANEK [815]
2 years ago
15

Complete the following problems:

Mathematics
1 answer:
Nikolay [14]2 years ago
3 0

Answer:

three childrens were drawn in a family by drawing a tree diagram find the following probability at least two daughters to number all the them are boys 3 number at least of boy

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Harry manages a sales force which sells several products in different sales territories. A random sample of 25 territories were
daser333 [38]

Answer:

13,000 i think

Step-by-step explanation:

7 0
2 years ago
Please please help !!!!!!!!
adoni [48]

Answer:

98°

142°

83°

97°

Step-by-step explanation:

m(arc)JL = 2 × 49° = 98°

m(arc)MJ = 360° - 120° - 98° = 142°

m<KJM = (120° + 46°)/2 = 83°

m<KLM = (360° - 120° - 46°)/2 = 97°

8 0
1 year ago
-1 1/2 _ -1 3/4 which one is greater or less, or equal?
sleet_krkn [62]

Answer:

The answer is -1 1/2 is less than -1 3/4

Step-by-step explanation:

I look at it more as numbers, so for example 1/2 can be simplified into 50, and 3/4 is 75/ 75 would be greater if it was positive. But, with there being a negative 1 in front of the answer, the lowest number closest to 0 is better. :D

8 0
1 year ago
Read 2 more answers
John had a balance of $526.73 in his checking account . since then he has written two checksfor $
dangina [55]
The answer is that there is not enough to solve it please add more for me to update the answer, Thank You have a nice day!
3 0
2 years ago
A newspaper article states that 90% of drivers in Iowa wear their seatbelt. Suppose we are interested in estimating the proporti
konstantin123 [22]

Answer:

The sample size is  n  = 3457

Step-by-step explanation:

From the we are told that

  The population proportion is  p =  0.90

  The margin of error is  E =  0.01  

From the question we are told the confidence level is  95% , hence the level of significance is    

      \alpha = (100 - 95 ) \%

=>   \alpha = 0.05

Generally the sample size is mathematically represented as

       n  =[  \frac{ Z_{\frac{\alpha }{2} }  }{E} ]^2 * p(1-p)

=>  n  =[  \frac{ 1.96  }{0.01} ]^2 * 0.90(1-0.90)

=>   n  = 3457

8 0
3 years ago
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