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3 years ago

2+266666662724683745946198753278313=

Mathematics

1 answer:

LUCKY_DIMON [66]3 years ago

6 0

Answer:

2.6666666e+32

Step-by-step explanation:

1.add

2.multiply

3. you have your answer

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A coat originally sold for $180. If a store is offering 2 successive discounts of 30% and 10% respectively, how much would the c

MatroZZZ [7]

Answer:

$113.4

Step-by-step explanation:

Formula for finding the selling price after two successive discounts is given below:

$Selling \: Price = x - (y + z - \frac{yz}{100} \%) \times x \\ \\ where \: x = \$180 \\ y = 30 \% \: \: and \: z = 10\% \\ \\ plugging \: the \: values \: of \: x \: y \: and \: z \:\\ in \: the \: above \: formula \: we \: find: \\ \\ Selling \: Price \\= 180 - (30 \% +1 0 \% - \frac{30 \times 10}{100}\% ) \times 180 \\ \\ = 180 - (40 \% - 3\% ) \times 180\\ \\ = 180 - 37\% \times 180\\ \\ = 180 - 0.37 \times 180\\ \\ = 180 - 66.6 \\ \\ \purple {\bold{\boxed{ Selling \: Price = \$113.4}}}$

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3 years ago

A magazine provided results from a poll of adults who were asked to identify their favorite pie. Among the respondents, % chos

alexandr402 [8]

Answer:

C. The statement indicates that the true population percentage of people that prefer chocolate pie is in the interval 11%±3%.

Step-by-step explanation:

Data provided in the questions

Number of respondents = 1,000

Choose chocolate pie = 11%

margin of error = ±3 percentage points

Based on the above information,

The lower limit is

= 0.11 - 0.03

= 0.08

And, the upper limit is

= 0.11 + 0.03

= 0.14

So based on the above computation, the option c is correct as it represents the true population percentage of people with respect to the chocolate pie preference

8 0

3 years ago

PLEASE HELP ME OUT (geometry)

jekas [21]

Answer:

x =60 ° angles on a straight line

y+25° =120° exterior angle of the triangle

y=120°-25°=95°

y =95 °

4 0

3 years ago

2/3 divided 1/2 quotient

Ivenika [448]

Answer: 4/3

In dividing by fractions, you flip the latter one over. 2/3 * 2=4/3.

4 0

3 years ago

Find ? in each case.

user100 [1]

Answer:

a) For this case we have that n = 30 and p =1/6

$X \sim Binom(n=30, p=1/6)$

b) For this case we have that n = 10 and p =1/100

$X \sim Binom(n=10, p=1/100)$

c) For this case we have that n = 20 and p =0.3

$X \sim Binom(n=20, p=0.3)$

Step-by-step explanation:

Previous concepts

A Bernoulli trial is "a random experiment with exactly two possible outcomes, "success" and "failure", in which the probability of success is the same every time the experiment is conducted". And this experiment is a particular case of the binomial experiment.

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

The probability mass function for the Binomial distribution is given as:

$P(X)=(nCx)(p)^x (1-p)^{n-x}$

Where (nCx) means combinatory and it's given by this formula:

$nCx=\frac{n!}{(n-x)! x!}$

Assuming the following question : "For each of the following binomial random variables specify n and p"

Solution to the problem

a. A fair die is rolled 30 times. X = number of times a 6 is rolled.

For this case we have that n = 30 and p =1/6

$X \sim Binom(n=30, p=1/6)$

b. A company puts a game card in each box of cereal and 1/100 of them are winners. You buy ten boxes of cereal, and X = number of times you win.

For this case we have that n = 10 and p =1/100

$X \sim Binom(n=10, p=1/100)$

c. Jack likes to play computer solitaire and wins about 30% of the time. X = number of games he wins out of his next 20 games.

For this case we have that n = 20 and p =0.3

$X \sim Binom(n=20, p=0.3)$

6 0

4 years ago