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jeyben
1 month ago
7

If I calculate the probability of an event and it turns out to be -0.7, 1

Mathematics
2 answers:
Zina [12.3K]1 month ago
7 0

Answer:

I made an error

Step-by-step explanation:

I had a similar question and received help from my teacher

PIT_PIT [12.4K]1 month ago
4 0

Answer:

The response is "I made an error."

Step-by-step explanation:

It's not possible to have a negative probability; it must always be zero or greater.

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Sam is eating a Big Hamburger. The first bite was 20% of the Hamburger, the second bite was 20% of what is left and so every nex
zzz [12365]
After two bites, the weight of the hamburger is recorded at 160g.

Each bite removes 20% of the burger's total weight, so to uncover the weight prior to the bites, we calculate it based on the percentage that remains.

The initial weight stands at 160g. Given that 20% of the weight was lost during a bite, we should divide this weight by the remaining percentage after the bite:

100 - 20 = 80

After a bite, 80% of the burger is what remains. Convert this percentage into a decimal by dividing it by 100:

80 \div 100 = 0.8

Now, let's divide the original weight by this figure:

160 \div 0.8 = 200

Before the second bite, the weight of the hamburger was 200g.

The same method will apply for the first bite. Initially, it weighed 200g, with 80% still intact after the initial bite. Since 80% converts to 0.8 in decimal form, divide 200 by 0.8:

200 \div 0.8 = 250

Thus, the original weight of the hamburger prior to any bites was 250 grams.
6 0
2 months ago
Student researchers Haley, Jeff, and Nathan saw an article on the Internet claiming that the average vertical jump for teens was
tester [12383]

Answer:

At the α = 0.10 level, there is no substantial evidence indicating that the average vertical jump for students at this school differs from 15 inches.

Step-by-step explanation:

A hypothesis test is necessary to verify the assertion that the average vertical jump of students diverges from 15 inches.

The null and alternative hypotheses are:

H_0: \mu=15\\\\H_a: \mu\neq15

The significance level is set at 0.10.

The sample mean recorded is 17, and the sample standard deviation is 5.37.

The degrees of freedom are calculated as df=(20-1)=19.

The t-statistic is:

t_{19}=\frac{M-\mu}{s_M/\sqrt{n}} =\frac{17-15}{5.37/\sqrt{20}}=\frac{2}{5.37/4.47} =2/1.20=1.67

The two-tailed P-value corresponding to t=1.67 is P=0.11132.

<pSince this P-value exceeds the significance level, the result is not significant. Therefore, the null hypothesis remains unchallenged.

At the α = 0.10 level, there is no compelling evidence that the average vertical jump of students at this school deviates from 15 inches.

7 0
3 months ago
The diagram shows two objects made of the same kind of glass. At left, a 3 dimensional figure labeled X with 2 triangular sides
Zina [12379]

Response:

A solid qualifies as a polyhedron if it consists solely of polygonal facets, with the faces converging at... polygons, and an equivalent number of faces converging at each vertex.... referred to as a right prism).... 1. 2. 3. The visuals below depict a 3-dimensional shape that does not meet the criteria... Example 10: The solid illustrated below is categorized as a rectangular prism or cuboid

Detailed explanation:

6 0
2 months ago
Read 2 more answers
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