I have to ask a question soooo...

Mathematics

2 answers:

MaRussiya [10]3 years ago

7 0

Answer:

The required result is 1+1=2.

Step-by-step explanation:

Given : Expression $1+1=?$

To find : Solve the expression ?

Solution :

In the expression $1+1=?$ we have to add the two numbers,

Since for any two positive real numbers a and b,

$a + b =|a|+|b|=|a + b|$

Here, a=1 and b=1

$1+1=|1|+|1|=|1+1|=|2|=2$

Adding 1 and 2 gives you 2.

i.e. $1+1=2$

Therefore, the required result is 1+1=2

castortr0y [4]3 years ago

6 0

Answer:

2 ; uhhhh Dominic Fike, Frank Ocean, UMI, Joji and King Princess they're in the categories of alternative RnB/hip hop, indie and sadboyhour time

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A population has mean 187 and standard deviation 32. If a random sample of 64 observations is selected at random from this popul

Zina [86]

Answer:

11.51% probability that the sample average will be less than 182

Step-by-step explanation:

To solve this question, we have to understand the normal probability distribution and the central limit theorem.

Normal probability distribution:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

Central Limit theorem:

The Central Limit Theorem estabilishes that, for a random variable X, with mean $\mu$ and standard deviation $\sigma$ , a large sample size can be approximated to a normal distribution with mean $\mu$ and standard deviation $s = \frac{\sigma}{\sqrt{n}}$