2 years ago

Please help me .......

Mathematics

1 answer:

FromTheMoon [43]2 years ago

7 0

Answer:

Step-by-step explanation:

You might be interested in

Plz help me I will mark u Brainiest

Reika [66]

Answer: 1- quadrant 1 or top right

2- quadrant 4 or bottom right

3-quadrant 3 or bottom left

4 0

2 years ago

Read 2 more answers

There are a total of 18 chairs.if the ratio of the red chairs to brown chairs is 2 to 4 how many of them are red

Juliette [100K]

9 chairs because 2 to 4 is equal to 1/2 and half of 18 chairs is 9

4 0

2 years ago

Read 2 more answers

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

A group of students is given a 10 by 10 grid to cut into individual unit squares. The challenge is to create two squares using a

arlik [135]

Answer:

Step-by-step explanation:

8 0

3 years ago

A tabletop in the shape of a trapezoid has an area of 7,701 square centimeters. Its longer base measures 119 centimeters, and th

svet-max [94.6K]

Answer:

75.5 cm

Step-by-step explanation:

S = (a+b)*h/2

h = 2 * S / (a+b) = 2 * 7701 / 204 = 75.5 cm

7 0

2 years ago

Please help me .......​

Please help me .......