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The expected return (or expected gain) on a financial investment is the expected value of its return (of the profit on the investment). It is a measure of the center of the distribution of the random variable that is the return. [1] It is calculated by using the following formula:
The Prophecy of Seventy Weeks is the narrative in chapter 9 of the Book of Daniel in which Daniel prays to God to act on behalf of his people and city (Judeans and Jerusalem), and receives a detailed but cryptic prophecy of "seventy weeks" by the angel Gabriel.
Childbirth in Japan underwent three significant changes. During the Edo era, from 17th to 19th centuries, birth attendant had been an officially recognized as a profession in Japan. In the beginning of the 19th century however, traditional birth attendants were replaced by modern birth attendants also known as “kindai-sanba”. [22]
An ultrasound showing an embryo measured to have a crown-rump length of 1.67 cm and estimated to have a gestational age of 8 weeks and 1 day. Crown-rump length (CRL) is the measurement of the length of human embryos and fetuses from the top of the head (crown) to the bottom of the buttocks (rump).
Because child mortality has declined substantially over the last several decades, [2] global life expectancy at birth, has risen from 48 years in 1950–1955 to 67 years in 2000–2005, is expected to keep rising to reach 77 years in 2045–2050 and 83 years in 2095–2100. In the more developed regions, the projected increase is from 76 years ...
If Marilyn then divided the whole data set into seven groups – one for each day of the week a son was born – six out of seven families with two boys would be counted in two groups (the group for the day of the week of birth boy 1, and the group of the day of the week of birth for boy 2), doubling, in every group, the probability of a boy ...
[clarification needed] The birth rate (along with mortality and migration rates) is used to calculate population growth. The estimated average population may be taken as the mid-year population. [2] [3] When the crude death rate is subtracted from the crude birth rate (CBR), the result is the rate of natural increase (RNI). [4]
The average age of a girl's first period is 12 to 13 (12.5 years in the United States, [6] 12.72 in Canada, [7] 12.9 in the UK [8]) but, in postmenarchal girls, about 80% of the cycles are anovulatory in the first year after menarche, which declines to 50% in the third year, and to 10% by the sixth. [9]
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