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2 years ago

Which of the following is an effect of smoking?

Health

2 answers:

worty [1.4K]2 years ago

5 0

-Breathing problems

-Diabetes

-Cancer

-Heart disease

-Stroke

Nata [24]2 years ago

4 0

There are 8 effects of smoking:

Cancer
Breathing problems and chronic respiratory conditions
Heart disease, stroke and blood circulation problems
Diabetes
Infections
Dental problems
Hearing loss
Vision loss

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A pharmacist receives a shipment of 22 bottles of a drug and has 4 of the bottles tested. If 6 of the 22 bottles are contaminate

romanna [79]

Explanation:

A hypergeometric distribution as a function of statistical distribution where members from two groups are analysed, without replacing those members. Unlike binomial distributions, in which the probability remains the same for each trial, in hypergeometric distributions, these members are not replaced- each trial's probability affects the probability within next trial.

This is used in the process of random sampling and as a means of quality control in statistics; for example selecting members of a sports team from a mixed population of boys and girls.

Hypergeometric Formula..,

For a population consisting of N items, k are successes. And a random sample from that population consisting of n items, x of which are successes.

∴ hypergeometric probability is:

h(x; N, n, k) = [ kCx ] [ N-kCn-x ] / [ NCn ]

this distribution always has...

its mean= n * k / N .
its variance is n * k * ( N - k ) * ( N - n ) / [ N2 * ( N - 1 ) ] .

Thus….

Total number of bottles = 22

Number of contaminated bottles = 6

Number of tested bottles = 4

X= a random variable representing the number of contaminated bottles selected for the test.

N = 22

K = 6

n = 4

The probability mass function, f(x), is given by...

P(X=x)) = [ kCx] [ N-kCn-x ] / [ NCn ] x= 0,1,2,3,...,n

= $\frac{[6 C 1] [22-6 C 4-1]}{[22 C 4]}$

$\frac{C\left \ {{k=6} \atop {x=1}} \right. C\left \ {{22-6} \atop {4-1}} \right. }{C \left \ {22} \atop {4}} \right. }$

$Cxk= C14= 4!(1!(4 - 1)!)^{-1}= 24(6)^{-1}= 4\\Cn-xN-k=C\left \ {{22-6} \atop {4-1}} \right. } =16!(4!(16-4)!)^{-1}\\(CnN)^{-1}=(C \left \ {{y=22} \atop {x=6}} \right. ) ^{-1}=[22!(6!(22-6)!)^{-1}]^{-1}$

f(x)= p= P(X=1)=0.45933014354067

P(that more than 1 of the tested bottles is contaminated);

P(X>1)=1−P(X≤1)=1−(P(X=0)+P(X=2))

P(X>1)=0.291866028708134

Probability that one is contaminated: 0.4593(4 dec places)

Probability that more than one is contaminated: 0.2919 (4 dec places)

Learn more about calculating probability at brainly.com/question/4021035

Learn more about calculating event probability at brainly.com/question/6649771

#LearnWithBrainly

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3 years ago

Your level of intoxication will be a lot higher if you have a bottle of beer rather than a glass of wine.

arsen [322]

Everything depends on the alcohol content of beer and glass of wine
On the label of the bottle, figure a percentage (or alcoholic): it is 3 to 4% (beer), 12% (wine)

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3 years ago

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The need for different phases of training helps to prevent which of the following?

PolarNik [594]

Answer:

do you have any options but i can gueas it will train your body to beat the diseases and sickness that will enter your body

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3 years ago

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What steps can you take to ensure a safe workout program? (Explain)

quester [9]

Take five to 10 minutes to warm up and cool down properly.

Plan to start slowly and boost your activity level gradually unless you are already exercising frequently and vigorously.

Be aware that training too hard or too often can cause overuse injuries like stress fractures, stiff or sore joints and muscles, and inflamed tendons and ligaments. Sports prompting repetitive wear and tear on certain parts of your body — such as swimming (shoulders), jogging (knees, ankles, and feet), tennis (elbows) — are often overuse culprits, too. A mix of different kinds of activities and sufficient rest is safer.

Listen to your body. Hold off on exercise when you're sick or feeling very fatigued. Cut back if you cannot finish an exercise session, feel faint after exercise or fatigued during the day, or suffer persistent aches and pains in joints after exercising.

If you stop exercising for a while, drop back to a lower level of exercise initially. If you're doing strength training, for example, lift lighter weights or do fewer reps or sets.

For most people, simply drinking plenty of water is sufficient. But if you're working out especially hard or doing a marathon or triathlon, choose drinks that replace fluids plus essential electrolytes.

Choose clothes and shoes designed for your type of exercise. Replace shoes every six months as cushioning wears out.

For strength training, good form is essential. Initially use no weight, or very light weights, when learning the exercises. Never sacrifice good form by hurrying to finish reps or sets, or struggling to lift heavier weights.

Exercising vigorously in hot, humid conditions can lead to serious overheating and dehydration. Slow your pace when the temperature rises above 70°F. On days when the thermometer is expected to reach 80°F, exercise during cooler morning or evening hours or at an air-conditioned gym. Watch for signs of overheating, such as headache, dizziness, nausea, faintness, cramps, or palpitations.

Dress properly for cold-weather workouts to avoid hypothermia. Depending on the temperature, wear layers you can peel off as you warm up. Don't forget gloves.

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3 years ago

Which book was never a Newbery Award winner?

slamgirl [31]

It would be A. Good Masters! Sweet Ladies! Voices from a Medieval Village

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3 years ago