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tiny-mole [99]
3 years ago
12

In Mario Kart the special blocks are programmed to deliver 3 green

Mathematics
1 answer:
nexus9112 [7]3 years ago
6 0

Answer:

She can expect 12 green shells.

There are 60 green shells out of a total of 1000; this makes the probability of drawing a green shell 60/1000.  If she repeats this process with replacement 200 times, the expected amount of green shells would be

60/1000(200) = 12000/1000 = 12

Step-by-step explanation:

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Construct a​ 95% confidence interval for the population standard deviation sigma of a random sample of 15 crates which have a me
Ad libitum [116K]

Answer:

There is a 95% confidence that the sample has a mean between 158.92 pounds and 171.48 pounds

Step-by-step explanation:

Given that mean (μ) = 165.2 pounds, standard deviation (σ) = 12.4 pounds, sample size (n) = 15 crates. Confidence (C) = 95% = 0.95

α = 1 - C = 1 - 0.95 = 0.05

α/2 = 0.05/2 = 0.025

The z score of α/2 corresponds to the z score of 0.475 (0.5 - 0.025) which is 1.96. z_{\frac{\alpha}{2} }=1.96

The margin of error (E) is given by:

E=z_{\frac{\alpha}{2} }\frac{\sigma}{\sqrt{n} } =1.96*\frac{12.4}{\sqrt{15} }= 6.28

The confidence interval = μ ± E = 165.2 ± 6.28 = (158.92, 171.48)

The confidence interval is between 158.92 pounds and 171.48 pounds. There is a 95% confidence that the sample has a mean between 158.92 pounds and 171.48 pounds

4 0
3 years ago
The sum of three consecutive integers is -27. What are the numbers?
Roman55 [17]
X + x + 1+ x + 2 = -27
3x + 3 = -27
3x = -27 -3
x = -30/3
x = - 10
x + 1 = -10 + 1 = -9
x +  = -10 + 2 = -8

answer <span>{-10, -9, -8}</span>
5 0
3 years ago
What is the GCF of the first two terms of the polynomial 4y3+ 8y2+ 5y + 10? a 4y3 b 4 c 4y d 4y2
Sedaia [141]
The answer is D. 4y^2
5 0
3 years ago
ILL GIVE BRAINLIEST IF ITS RIGHT
Vesna [10]

Answer: 6

Step-by-step explanation:

Slope is found by doing:

\frac{y_1 - y}{x_1 - x}

(x1 and y1 must be from the same ordered pair and x and y must be from the same ordered pair, however point (x1,y1) and (x,y) can be used interchangeably)

Let us say that (x1,y1) is (3,18)

And (x,y) is (5,30)

\frac{18 - 30}{3 - 5} = \frac{-12}{-2} = 6

6 0
3 years ago
2ND QUESTION. PLEASE PLEASE HELP. 20 POINTS!!!!!!!!ANSWER IN FUL SENTENCES
kupik [55]

Answer:

i dont know what it means but the right image is 4 times larger than the left image

Step-by-step explanation:

6 0
3 years ago
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