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2 years ago

WORTH 15 POINTS PLEASE ANSWER ASAP! IF IT LETS ME MARK YOU BRAINLIST I WILL!

Mathematics

2 answers:

masya89 [10]2 years ago

8 0

Answer:

the answer is 3/8

Step-by-step explanation:

multiply 9/10 by 5/12 then you get the answer 3/8

Debora [2.8K]2 years ago

6 0

Answer is 3/8 good job have a nice day

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drug sniffing dogs must be 95% accurate in their responses because their handlers don't want them to miss durgs and also don't w

GenaCL600 [577]

Answer:

95% Confidence interval: (0.8449,0.9951)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 50

Number of times the dog is right, x = 46

$\hat{p} = \dfrac{x}{n} = \dfrac{46}{50} = 0.92$

95% Confidence interval:

$\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

Putting the values, we get:

$0.92 \pm 1.96(\sqrt{\dfrac{0.92(1-0.92)}{50}})\\\\ = 0.92\pm 0.0751\\\\=(0.8449,0.9951)$

(0.8449,0.9951) is the required 95% confidence interval for the proportion of times the dog will be correct.

7 0

2 years ago

Estimate 76.216+66.36 by first rounding each number to the nearest whole number.

xeze [42]

Answer:

142

Step-by-step explanation:

Round the numbers to their nearest WHOLE NUMBER.

$76.216=76\\66.36=66$

Then ADD

$76+66=142$

6 0

2 years ago

elsa is designing a commercial jet. she drew a model of her design using the scale shown below. According to her design what wil

stiv31 [10]

Answer:

Step-by-step explanation:

5 0

2 years ago

Answer 3-4 pleaseeeeee

aivan3 [116]

I think #4 is 4 but I'm not completely sure

4 0

3 years ago

It’s either ur good at math or pretty I guess god said be pretty

SashulF [63]

Answer:

Step-by-step explanation:

9x + 1 = 7x + 13

x = 6

UW = 42+13

= 55

The two triangles are of congruent (SAS)

4 0

2 years ago