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SashulF [63]
3 years ago
13

In one week 97 cell phones were sold. The following week, 48 more cell phones were sold than the week before. How many cell phon

es were sold in those 2 weeks
Mathematics
1 answer:
baherus [9]3 years ago
8 0

145. 7 + 8 is 15 carry the 1, 9+4+1 is 14, so 145

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Assume a recent sociological report states that university students drink 5.10 alcoholic drinks per week on average, with a stan
Lerok [7]

Answer:

Mean of sampling distribution = 5.10 alcoholic drinks per week

Standard deviation of the sampling distribution = 0.11

Step-by-step explanation:

We are given the following in the question:

Mean, μ = 5.10 alcoholic drinks per week

Standard Deviation, σ = 1.3401

Sample size, n = 150

a) Mean of sampling distribution

The best approximator for the mean of the sampling distribution is the population mean itself.

Thus, we can write:

\mu_{\bar{x}} = \mu = 5.10

b) Standard deviation of the sampling distribution

=\dfrac{\sigma}{\sqrt{n}} = \dfrac{1.3401}{\sqrt{150}} = 0.11

3 0
2 years ago
What is 4 divided into 3 1/3
ipn [44]

Answer:

1 1/5

Step-by-step explanation:


7 0
3 years ago
HELP PLS’ Suppose you roll a die. Find the probability of the given event. Simplify your answer.
NikAS [45]

The answer is 2) 2/3

7 0
3 years ago
Sara tried to evaluate 21 : 7 x 8 step-by-step
nlexa [21]

Answer: Sara multiplied by 3 when she should have multiplied by 8.

Step-by-step explanation:

21 : 7*8

7*8 = 56

21 : 56

The simplest form of this ratio is 3 : 8

6 0
3 years ago
Please, someone, help me
qwelly [4]

Answer:

282.7 in³

Step-by-step explanation:

The solid is a cylinder

Volume of the cylinder = πr²h

Where,

radius (r) = 3 in.

height (h) = 10 in

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= π*9*10

= π*90

= 282.743339 ≈ 282.7 in³ (nearest tenth)

8 0
3 years ago
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