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12345 [234]
3 years ago
7

You spin a spinner with 7 equal spaces numbered 1 through 7. What is the probability that the spinner lands

Mathematics
1 answer:
Schach [20]3 years ago
8 0

Answer:

<em>P = 28.57%</em>

Step-by-step explanation:

<u>Probability</u>

The probability of an outcome is defined as the frequency of the number of times the outcome occurs relative to the number of times that it could have occurred.

The equation to calculate the probability is:

\displaystyle P=\frac{f}{n}

Where f is the number of favorable cases and n is the total cases.

The spinner has n=7 equal spaces numbered 1 to 7. We will calculate the probability that the spinner lands on a 4 or a 6.

The set of favorable outcomes is {4,6} which gives a count of f=2.

The required probability is:

\displaystyle P=\frac{2}{7}

P = 28.57%

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astraxan [27]

Answer:

The first blank is "y", the second blank is "x", and the third blank is 1:3.

5 0
3 years ago
So its about grams and kilograms
Kamila [148]

Answer:

it is about grams and kilograms

Step-by-step explanation:

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8 0
3 years ago
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A mechanic sells a brand of automobile tire that has a life expectancy that is normally​ distributed, with a mean life of 27 com
Harrizon [31]

Answer:

Tires that wear out by approximately 24307.8 miles will be replaces free of charge.        

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 27,000 miles

Standard Deviation, σ = 2100  miles

We are given that the distribution of life expectancy is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

We have to find the value of x such that the probability is 0.10

P( X < x) = P( z < \displaystyle\frac{x - 27000}{2100})=0.10  

Calculation the value from standard normal z table, we have,  

\displaystyle\frac{x - 27000}{2100} = -1.282\\\\x = 24307.8

Tires that wear out by approximately 24307.8 miles will be replaces free of charge.

4 0
4 years ago
Amy scheduled herself from 8am-1pm sunday through wednesday on wednesday she needed to release her intervals from 11am-1pm at th
OleMash [197]

Answer:

Commitment Adherence Percentage = 81.\overline{81}%

Step-by-step explanation:

The time period Amy scheduled herself, t = 8 a.m. - 1 p.m. from Sunday through Wednesday

The period she released her interval = 11 a. m. - 1 p.m.

Commitment Adherence Percentage = Service Minutes/(Posted Minutes + Released Lockdown Minutes) × 100

Posted minutes = 5 hours/day × 60 minutes ×  4 days = 1200 minutes

Serviced minute = 5 hours/day × 60 minutes ×  3 days + 3 hours × 60 minutes/hour = 1,080 minutes

Released minutes = 2 hours × 60 minutes/hour = 120 minutes

Commitment Adherence Percentage = (1,080/(1,200 + 120)) × 100 = 81.\overline{81}%

5 0
3 years ago
Beach Travel rents dune buggies for $50 for 4 hours or $75 for 6 hours. What is the hourly rate?
Mars2501 [29]

Answer: $ 12.5

Step-by-step explanation:

To find the hourly rate, divide the total cost by the total hours, that is

$50 / 4 = $12.5

$75/6 = $12.5

7 0
3 years ago
Read 2 more answers
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