Bats feed on insects at night and sleep during the day. Many species of bats use the undersides of bridges for sleeping

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Bats feed on insects at night and sleep during the day. Many species of bats use the undersides of bridges for sleeping

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Bats Feed On Insects At Night And Sleep During The Day Many Species Of Bats Use The Undersides Of Bridges For Sleeping 1
Bats Feed On Insects At Night And Sleep During The Day Many Species Of Bats Use The Undersides Of Bridges For Sleeping 1 (65.74 KiB) Viewed 92 times
Bats feed on insects at night and sleep during the day. Many species of bats use the undersides of bridges for sleeping places. The beams that support a bridge create two kinds of spaces in equal numbers: wide (approximately 55 cm) and narrow (approximately 17 cm.) Biologists believe the bats choose narrow spaces to provide more safety from predators. Investigators studying the sleeping position choices of the Big-eared Bat (Corynorhinus rafinesquii) observed that 67 out of 102 of them chose narrow beam spaces in which to sleep. Does this sample provide sufficient evidence to conclude that the bats prefer narrow over wide sleeping space? Use a significance level of .05 to test the appropriate hypotheses. Hypotheses: Method: Q:__ S: Check: Calculate: Communicate Results: T: N:
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