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2 years ago

13

This dot plot shows the number of cakes sold each day in aunt alice's cake shop last month. what is the median number of cakes s

old each day?

2 answers:

skelet666 [1.2K]2 years ago

8 0

Answer:

The median is 2.

Step-by-step explanation:

I just did the test :)

zalisa [80]2 years ago

5 0

Answer:

the answer should be 2

Step-by-step explanation:

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HELP ME PLEASE! 20 POINTS!!!

Grace [21]

Answer:

is in the shape of a sphere

diameter = 60 feet

radius = r = 60/2 = 30 feet

Step-by-step explanation:

volume of sphere = 4/3 × π × r³

= 4/3 × π × 30³

=4/3π × 27,000

= 36000π cubic feet

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2 years ago

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A local television station for a city with a population of 500,000 recently conducted a poll where they invited viewers to call

Scilla [17]

Answer:

b. Invalid, because the sample may not be representative of the population.

Step-by-step explanation:

A sample of around 10% of the population is needed to be representative.

In this question:

We have a population of 500,000, and a sample of 10,000.

10,000/500,000 = 1/50 = 0.02 = 2% of the population, so not representative, and option b is correct.

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2 years ago

Find minor arc in circle Include correct units

masha68 [24]

Answer:

Same thing here Arc DE is also 100 degreese

cause the lines are connected to the center point.

Step-by-step explanation:

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3 years ago

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Ms.Carger has has to send some emails in the afternoon.It takes her 3 minutes to start up her computer and log-in to her email,

butalik [34]

Answer:

Ms. Carger would have sent $\frac{x-3\\}{7} \\$ emails in x minutes

Step-by-step explanation:

Firstly, Ms. Carger takes her 3 minutes to start up her computer and log-in to her email.

Therefore in x minutes, after starting up her computer and logging-in to her email, she would have x minutes minus the time used to start up her computer and log-in to her email. this implies she would have (x-3) minutes left for sending emails.

Since it takes 7 minutes to write and send each email, in (x-3) minutes she would be able to send only $\frac{x-3}{7}$ emails.

Therefore equation to represent the number of emails she can send in x minutes is $\frac{x-3}{7}$ emails

6 0

3 years ago

A true/false pop quiz contains five questions. What is the probability that when guessing, a student will get at least one quest

pochemuha

Answer:

0.96875 = 96.875% probability that when guessing, a student will get at least one question correct.

Step-by-step explanation:

For each question, there are only two possible outcomes. Either it is guessed correctly, or it is not. Thus, the binomial probability distribution is used to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

In which $C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

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

And p is the probability of X happening.

A true/false pop quiz contains five questions.

This means that $n = 5$

True/false questions:

So 2 possible options, and $p = \frac{1}{2} = 0.5$

What is the probability that when guessing, a student will get at least one question correct?

This is $P(X \geq 1) = 1 - P(X = 0)$

In which

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

$P(X = 0) = C_{5,0}.(0.5)^{0}.(0.5)^{5} = 0.03125$

Then

$P(X \geq 1) = 1 - P(X = 0) = 1 - 0.03125 = 0.96875$

0.96875 = 96.875% probability that when guessing, a student will get at least one question correct.

4 0

2 years ago