What Is The Origin Of "Sleep Tight"?

### nounprobabilities

mass noun1The quality or state of being probable; the extent to which something is likely to happen or be the case.

*‘the rain will make the probability of a postponement even greater’**‘They will continue to kidnap because probability shows that the chance of being caught and prosecuted in Trinidad is slim.’**‘The laws of probability say it cannot happen but Maine Road is still too fresh in the minds of Minstermen everywhere for it to be ignored just yet.’**‘He agreed with the coroner that on the balance of probability it was likely someone else had been in the graveyard when the stone fell on Adam.’**‘Simply put, the larger the number of plays, the more likely that the fixed probability will catch up with the player.’**‘By the same laws of probability, the chances that a random bus will spontaneously explode for no reason are slim to none.’**‘It is a known and foreseeable hazard and has high probability.’**‘It's all in the hands of fate and probability, which our very educational maths classes taught us how to calculate.’**‘The probability of transformation is framed entirely in terms of the quality of the commodity.’**‘This step examines each hazard in terms of probability and severity to determine what the level of risk is when you're exposed to the hazard.’**‘He then shows how belief arises with both chance and probability.’**‘The judge was entitled to conclude that the patentees had lost a chance of making sales to those buyers - no doubt a chance of differing probability in each case.’**‘This provides increasing probability of recombination and hence increased mapping resolution.’**‘He said, ‘In probability it would have happened, so you did it’, and that was it.’**‘For these reasons he also believes that the depression would have on the balance of probability been likely to occur in any case, although later.’**‘In terms of probability, the chance of recombination increases with increase in length of the chromosome arm.’**‘This holds provided that the initial probability of the hypothesis in relation to the background knowledge or belief is not zero.’**‘I resonate with your point that probability balances out luck as more games are played.’**‘As in most of genetics, breeding good hips is largely a matter of chance, or probability.’**‘It shows the extent to which this probability would increase with lower, and decrease with higher, screening costs.’**‘Not only that but it has the same probability of happening as you buying two winning lottery tickets in one week.’**‘The probability of that happening is probably somewhat lower than a conventional attack.’**‘The probability of this convergence happening by chance tends to zero as the number of experimental procedures increases.’*

View synonyms**likelihood**, likeliness, prospect, expectation, chance, chances, odds, possibility- 1.1count noun A probable or the most probable event.
*‘for a time revolution was a strong probability’**‘By ‘it is clear’, I mean that the facts establish this as a strong probability.’**‘If she is young and attractive, the court may consider her remarriage to be a strong probability.’**‘Give us some sense about the probabilities that you are talking about here and what you are looking for.’**‘This is only one of the probabilities for us now as we appear to be approaching the predicted end-game.’**‘Anyway, there are two probabilities for what could happen between now and polling day.’**‘The chance that the recent combination of financial events would coincide was a low probability.’**‘The common scenarios in general practice all involve weighing up probabilities and accepting varying degrees of uncertainty.’**‘The tribunal has established as a probability that the infection was caused by the Armour product.’*

View synonyms**probable event**, prospect, possibility, fair bet, good bet, reasonable bet - 1.2Mathematics The extent to which an event is likely to occur, measured by the ratio of the favourable cases to the whole number of cases possible.
*‘the area under the curve represents probability’*count noun*‘a probability of 0.5’**‘In the field of mathematics he worked on probability, recurring decimals and the theory of equations.’**‘Among seven people, there is about a 60 percent probability that two will have birthdays within a week of each other.’**‘When there are twice as many attackers as defenders, the winning probability exceeds 80 percent.’**‘An event which will definitely occur has probability 1, and everything else is somewhere in between.’**‘The probability of an event is the ratio of the favorable outcomes to the possible outcomes.’*

**Phrases**

Used to convey that something is very likely.

*‘he would in all probability make himself known’**‘Matches between these two teams in recent years have always been close and in all probability that's how it's going to be again on this occasion.’**‘There is no need to ask to see the official personally and to take up his time in this way; if appropriate, he will send a message of thanks at a later date, in all probability.’**‘Women with low BMI value and anaemia in the reproductive age will, in all probability, have low birth weight infants.’**‘So, the one with the sling on his arm and those two were the ones, in all probability, who were treated in Kuwait City.’**‘He has, in all probability, just one chance to achieve the single ambition that remains unfulfilled in his hard-working career.’**‘The situation will, in all probability, be aggravated by the summer season, which threatens to be severe this time.’**‘I have never hunted, and in all probability will never hunt.’**‘We'll never know now, but the expert view was that the geese were in all probability about to nest and were merely protecting their territory.’**‘The results are not only statistically significant, but in all probability clinically significant.’**‘Women tend to blame themselves for the loss, when in all probability there was nothing they could have done to prevent it.’*

**in all probability**

**Origin**

Late Middle English from Latin probabilitas, from probabilis ‘provable, credible’ (see probable).