Question

**Using RStudio**Please show code**

**(InsectSprays)** Which spray(s) is/are the most
effective against insects? Defend your answer with a plot.

Answer #1

Solution:

To know which spray is more effective , we need their insect count and type of spray.

Box plot is used to find the most effective spary.

let there be 6 types of spray - A,B,C,D,E,F

the r-command to analyse the sample data is as follows

boxplot(count~spray, InsectSprays,xlab="spray",ylab="count")

count is insect count and spray is type of spray the output of the above comment is as follows

from the above plot spray C is found to be more effective.

** Please only use RStudio to solve this problem and
show code **
A fire department aims to respond to fire calls in 4 minutes or
less, on average. Response times are normally distributed with a
standard deviation of 1 minute. Would a sample of 18 fire calls
with a mean response time of 4.5 minutes provide sufficient
evidence to show that the goal is not being met at the significance
level α = .01? Is this a left-tailed, right-tailed,...

Which in your opinion are the most important characteristics of
an effective control system? Please justify your choices.
Someone in an outside group declines to provide the support
services you need, despite your most tactful requests and
explanations. What do you do next?

Hi
Please be clear with your handwriting and show steps. label the
answer
Wind Shear: Calculate the wind speed expected at 80 meters if
we know a wind speed of 6.7 m/s is at 10 meters height. Assume a
Roughness Class of 1.5. Validate your calc with a screen plot of
the results using the Wind Speed Calculator at the Danish
website.

In your opinion, which one of the predictors of
success is the most effective? Explain your answer

Could you please solve these using r code if necessary. If not
please show the work thank you.
2. Most penguin species are not sexually dimorphic, which means
they lack obvious outward body characteristics which indicate sex.
Observation of behavior or a blood test can determine Penguin sex.
A penguin researcher is interested in estimating the proportion of
females in a large penguin population. She takes a random sample of
n = 20 penguins and determines the sex of each...

Please show all calculations and be detailed with your answer.
If using Excel, please show data.
practice #5
If you’re the treasurer of a Japanese firm needing to buy USD
and a banker gives you a quote of 110.15 / 110.17 for USDJPY you
would be able buy USD from the bank at what rate?

Please use R to answer and show R code.
Random variable X is drawn from a normal distribution with mean
5.44 and std dev 2.54.
Calculate the probability of X being less than 3.29.
What is the probability of X exceeding 4.61?
What is the probability of X lying between 5.79 and 7.8?
Verify your answers to parts 1 2 and 3 above using numerical
sampling (please do this one!)

~~~~~~~~~~~~TO BE COMPLETED USING RSTUDIO~~~~~~~~~~~~~~
~~~~~~~~~~~~(PLEASE display all RCode used)~~~~~~~~~~~~~~
Goodness of Fit
Microhabitat factors associated with forage and bed sites of
barking deer in Hainan Island, China, were examined. The sample of
477 examined sites where the deer forage were categorized by
habitat as follows:
Habitat
Woods
Cultivated grassplots
Deciduous forests
Other
Deer forage sites
15
16
50
386
In this region, woods make up 4.8% of the land, cultivated
grassplots make up 14.7%, and deciduous forests make up...

~~~~~~~~~~~~TO BE COMPLETED USING RSTUDIO~~~~~~~~~~~~~~
~~~~~~~~~~~~(Please display all RCode used)~~~~~~~~~~~~~~
Goodness of Fit
Microhabitat factors associated with forage and bed sites of
barking deer in Hainan Island, China, were examined. The sample of
477 examined sites where the deer forage were categorized by
habitat as follows:
Habitat
Woods
Cultivated grassplots
Deciduous forests
Other
Deer forage sites
15
16
50
386
In this region, woods make up 4.8% of the land, cultivated
grassplots make up 14.7%, and deciduous forests make up...

A 4-bit data is transmitted using a Hamming code to ensure that
the receiver can detect and correct single bit errors. Show the bit
pattern transmitted for data 1010 (left to right: from the most
significant bit to the least significant bit). Assume that even
parity is used in the Hamming code. How many redundant bits are
needed in the Hamming code? And what is the value of each Hamming
code bit? In your answer, please indicate the data bit...

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