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2 years ago

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the number of subscriptions to an interior design magazine was 16,450 in 1996. Since then, the number of subscriptions has incre

ased by 9.2% each year. find the approximate number of subscriptions in 2018.

1 answer:

babunello [35]2 years ago

4 0

Answer:

49,744.8 so round up to 49,745

Step-by-step explanation:

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For making a scatter plot of the data set, which would be the best scale and interval for the axis that represents the amount of

Serga [27]

I'd say the answer to the first question is D) 0 to 4 with intervals of 0.2.

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For the second question:

I believe the answer is A. Because it's obvious that there IS one outlier, and it looks like there are two clusters.

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2 years ago

On a recent road trip, Mr. Yost drove 210 miles in 3 1/2 hours. Find both the miles driven per hour and the hours driven per mil

amid [387]

Miles driven per hour is 60 miles per hour

Hours driven per mile is 0.01667 hours per mile

<em><u>Solution:</u></em>

Given that,

On a recent road trip, Mr. Yost drove 210 miles in 3 1/2 hours

Therefore,

Miles driven = 210 miles

$Time\ taken = 3\frac{1}{2}\ hour = \frac{7}{2} = 3.5\ hour$

To find: miles driven per hour and the hours driven per mile

<h3><u>Miles driven per hour</u></h3>

$\frac{miles}{hour} = \frac{210}{3.5}\\\\\frac{miles}{hour} = 60\ miles\ per\ hour$

<h3><u>Hours driven per mile</u></h3>

$\frac{hours}{miles} = \frac{3.5}{210}\\\\\frac{hours}{miles} = 0.01667\ hours\ per\ miles$

Thus both the miles driven per hour and the hours driven per mile are found

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2 years ago

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frosja888 [35]

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2 years ago

Read 2 more answers

Assume that two samples are independent simple random samples selected from normally distributed populations, and do not assume

Paraphin [41]

Answer:

Since we assume that we don't know the population deviations we need to use a t test to check the hypothesis, and the best answer is:

B.t

Step-by-step explanation:

Notation

$\bar X_{1}$ represent the mean for male king penguins

$\bar X_{2}$ represent the mean for the female king penguins

$s_{1}$ represent the sample standard deviation for the sample male

$s_{2}$ represent the sample standard deviation for the sample female

$n_{1}$ sample size for the male penguins

$n_{2}$ sample size for the female penguins

t would represent the statistic

Hypothesis

We need to conduct a hypothesis in order to check if the male king penguins weigh more than female king penguins, the system of hypothesis would be:

Null hypothesis: $\mu_{1}=\mu_{2}$

Alternative hypothesis: $\mu_{1} > \mu_{2}$

Since we assume that we don't know the population deviations we need to use a t test to check the hypothesis, and the best answer is:

B.t

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2 years ago

Assume that there are 5 white mice and 7 black mice to choose from, and you randomly pick 4 mice. What is the probability that 2

goldfiish [28.3K]

$P(2\ white\ and\ 2\ black)=\frac{5C2\times7C2}{12C4}=\frac{14}{33}$
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2 years ago