Vartosenos šablonas:
[type] expectancy of [someone/something]
Life expectancy has increased dramatically over the last hundred years.
A várható élettartam drámaian megnőtt az elmúlt száz évben.
In many countries, female life expectancy is higher than male life expectancy.
Sok országban a nők várható élettartama magasabb, mint a férfiaké.
Doctors explained that his life expectancy would be shorter without treatment.
The report compares the life expectancy at birth in different regions.
Improved sanitation and vaccines helped raise global life expectancy.
Mokymuisi skirti pavyzdžiai
The life expectancy in that country is about 80 years.
Abban az országban a várható élettartam körülbelül 80 év.
Women usually have a higher life expectancy than men.
A nők várható élettartama általában magasabb, mint a férfiaké.
Better food and clean water can increase life expectancy.
The chart shows the life expectancy of different groups of people.
Dažna klaida:
Learners sometimes say *"life expectation"* instead of *"life expectancy"*. Use *"expectancy"* when talking about a statistical average length of life. Also, *"expectancy"* is rarely used without a modifier like *"life"* or *"healthy"* in this sense.
Reikšmė
statistical expected length of life
Kolokacijos
life expectancy
|average life expectancy
|life expectancy at birth
|healthy life expectancy
|life expectancy of [group]
|increase in life expectancy
Sinonimai
lifespan (Refers to the actual or total length of life of an individual or thing, while expectancy is a predicted statistical average for a group.)
Antonimai
mortality rate (Focuses on how often deaths occur in a group, rather than how long members of the group are expected to live.)
Temos
health
|science
|statistics
|society
Apibrėžimas
The average time that people or things like this are expected to live or last, usually shown as a number of years.
The statistically expected length of life or duration for a person, group, or thing, usually expressed as an average number of years.
Vartosenos šablonas:
in [adjective] expectancy
The crowd waited in tense expectancy as the winner was announced.
A tömeg feszült várakozással figyelte, ahogy kihirdetik a győztest.
There was a buzz of expectancy in the room before the band came on stage.
Várakozásteli zsongás töltötte be a termet, mielőtt a zenekar színpadra lépett.
She opened the letter with a feeling of nervous expectancy.
A hush of expectancy fell over the audience as the lights dimmed.
His eyes shone with eager expectancy when he saw the wrapped boxes.
Mokymuisi skirti pavyzdžiai
The children watched the door in eager expectancy.
A gyerekek izgatott várakozással figyelték az ajtót.
There was a feeling of expectancy before the show started.
Az előadás kezdete előtt várakozásteli hangulat volt.
She waited in quiet expectancy for his answer.
The room was silent, full of expectancy.
Dažna klaida:
Learners often try to use *expectancy* where *expectation* or *hope* is more natural, for example saying *"I have an expectancy"* instead of *"I have an expectation"* or *"I expect"*. Use *expectancy* mostly for a general mood or feeling in a situation, often with words like *"air"*, *"sense"*, *"feeling"*, *"in eager expectancy"*.
Reikšmė
state of anticipation or expectation
Kolokacijos
in eager expectancy
|in anxious expectancy
|air of expectancy
|sense of expectancy
|mood of expectancy
Sinonimai
anticipation (More common in everyday speech; *expectancy* sounds slightly more formal or literary and often describes the overall mood in a place or group.)
Antonimai
surprise (Surprise is the opposite condition, where something happens without being expected or waited for.)
Temos
emotions
|communication
|literature
|core_vocabulary
Apibrėžimas
A strong feeling of waiting for something to happen.
A state of mind in which someone is keenly waiting for something to happen; anticipation.
DAIKTAVARDIS
C2
TECHNICAL
3
Vartosenos šablonas:
the expectancy of [a random variable]
In this game, the expectancy of your winnings is actually negative.
We calculated the expectancy of the random variable X to be 2.5.
The insurance company uses loss expectancy to set its premiums.
If the dice are fair, the expectancy of a single roll is 3.5.
Risk analysts often compare loss expectancy with the cost of controls.
Mokymuisi skirti pavyzdžiai
The teacher showed us how to find the expectancy of a dice roll.
In this lottery, the expectancy of profit is very low.
They used the loss expectancy to plan for future risk.
We worked out the expectancy of X using a formula.
Dažna klaida:
Learners may mix up the everyday idea of *expecting* something with the precise mathematical meaning of *expectancy*. In this sense, *expectancy* is a calculated number (an average) in probability or statistics, not just a hope or belief. Also, in technical English, *expected value* or *expectation* is more common than *expectancy*.
Reikšmė
expected value in statistics
Kolokacijos
mathematical expectancy
|probability expectancy
|compute the expectancy
|expected value (expectancy)
|mean expectancy
Sinonimai
expectation (In technical mathematics, *expectation* or *expected value* is the standard term; *expectancy* is a less common variant in this context.)
Antonimai
actual value (The actual value is what really occurs in one trial, as opposed to the theoretical average you calculate as the expectancy.)
Temos
mathematics
|science
|statistics
|education
Apibrėžimas
In mathematics and statistics, the average value you expect from many repeated tests of something random.
In probability and statistics, the expected average value of a random variable, often calculated as a weighted mean of all possible outcomes.