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2 years ago

June was thinking of a number, she halves it and gets an answer of 24.3. What was the original number?

Mathematics

1 answer:

ehidna [41]2 years ago

7 0

X:2=24.3
x=24.3 • 2
x=48.6
Answer is 48.6

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A marketing consultant observed 40 consecutive shoppers to estimate the average money spent by shoppers in a supermarket store.

KonstantinChe [14]

Answer:

0.998 is the probability that the average money spent by a sample of 40 shoppers is within $10 of the actual population mean.

Step-by-step explanation:

We are given the following information in the question:

Standard Deviation, σ = $21.51

We are given that the distribution of average money spend is a bell shaped distribution that is a normal distribution.

Formula:

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

We have to find:

P( average money spent is within $10 of the actual population mean.)

$= P( z \leq \displaystyle\frac{10\times \sqrt{40}}{21.51}}) = P(z \leq 2.94)$

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

$P(z \leq 2.94) = 0.998$

6 0

2 years ago

What type of angle is mabc=170

g100num [7]

Answer:

obtuse (anything above 90* is obtuse)

Step-by-step explanation:

8 0

3 years ago

-7/2 + 1/4 the answer and how to get the answer, how to solve the problem

ale4655 [162]

Answer:

-13/4

Step-by-step explanation:

common denominator -

2*-7/2*2)+1/4=-14/4+1/4

= -13/4

3 0

2 years ago

Kara fence needs to reach at least 94 feet. How many fence post will she need ?

Ainat [17]

Answer:

Considering the average fence size is 4 feet Kara will need 24 fences

Step-by-step explanation:

94/4= 23.5

simplified 24

7 0

2 years ago

Estimate 2.8 divided by 6

marin [14]

$\huge\fcolorbox{blue}{Red}{Solution→}$

2.8 ÷ 6 = 0.4666666.... it will continue
The estimate would be the round off of the Actual answer which would be 0.5 since 0.46666.. is closer to 5

3 0

1 year ago

Read 2 more answers